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Number of items: **17**.

Grace, Said R. and Graef, John R.:
*Oscillation of a perturbed nonlinear third order functional differential equation.*
Electronic journal of qualitative theory of differential equations 21.
pp. 1-10.(2018)

Grace, Said R. and Graef, John R. and Tunç, Ercan:
*Asymptotic behavior of solutions of forced fractional differential equations.*
Electronic journal of qualitative theory of differential equations 71.
pp. 1-10.(2016)

Baliki, Abdessalam and Benchohra, Mouffak and Graef, John R.:
*Global existence and stability for second order functional evolution equations with infinite delay.*
Electronic journal of qualitative theory of differential equations 23.
pp. 1-10.(2016)

Grace, Said R. and Graef, John R. and Tunç, Ercan:
*Oscillatory behavior of a third-order neutral dynamic equation with distributed delays.*
Electronic journal of qualitative theory of differential equations : proceedings of the colloquium on the qualitative theory of differential equations, (10) 14.
pp. 1-14.(2016)

Graef, John R. and Kong, Lingju and Kong, Qingkai and Wang, Min:
*Existence and uniqueness of solutions for a fractional boundary value problem with Dirichlet boundary condition.*
Electronic journal of qualitative theory of differential equations 55.
pp. 1-11.(2013)

Grace, Said R. and Graef, John R. and Panigrahi, Saroj and Tunç, Ercan:
*On the oscillatory behavior of even order neutral delay dynamic equations on time-scales.*
Electronic journal of qualitative theory of differential equations 96.
pp. 1-12.(2012)

Graef, John R. and Kong, Lingju and Minhós, Feliz Manuel:
*Higher order functional boundary value problems: existence and location results.*
Acta scientiarum mathematicarum, (77) 1-2.
pp. 87-100.(2011)

Graef, John R. and Lingju, Kong and Qingkai, Kong and James S. W., Wong:
*Higher order multi-point boundary value problems with sign-changing nonlinearities and nonhomogeneous boundary conditions.*
Electronic journal of qualitative theory of differential equations 28.
pp. 1-40.(2010)

Benchohra, Mouffak and Graef, John R. and Mostefai, Fatima-Zohra:
*Weak solutions for nonlinear fractional differential equations on reflexive Banach spaces.*
Electronic journal of qualitative theory of differential equations 54.
pp. 1-10.(2010)

Graef, John R. and Ouahab, Abdelghani:
*Structure of solutions sets and a continuous version
of Filippov’s theorem for first order impulsive
differential inclusions with periodic conditions.*
Electronic journal of qualitative theory of differential equations 24.
pp. 1-23.(2009)

Graef, John R. and Yang, Bo:
*Existence and nonexistence of positive solutions of a nonlinear third order boundary value problem.*
Electronic journal of qualitative theory of differential equations : proceedings of the colloquium on the qualitative theory of differential equations, (8) 9.
pp. 1-13.(2008)

Graef, John R. and Ouahab, Abdelghani:
*First order impulsive differential inclusions with periodic conditions.*
Electronic journal of qualitative theory of differential equations 31.
pp. 1-40.(2008)

Graef, John R. and Qian, Chuanxi and Yang, Bo:
*Multiple positive solutions of a boundary value problem for ordinary differential equations.*
Electronic journal of qualitative theory of differential equations : proceedings of the colloquium on the qualitative theory of differential equations, (7) 11.
pp. 1-13.(2004)

Graef, John R. and Savithri, R. and Thandapani, Ethiraju:
*Oscillation of first order neutral delay differential equations.*
Electronic journal of qualitative theory of differential equations : proceedings of the colloquium on the qualitative theory of differential equations, (7) 12.
pp. 1-11.(2004)

Benchohra, Mouffak and Graef, John R. and Henderson, Johnny and Ntouyas, Sotiris K.:
*Nonresonance impulsive higher order functional nonconvex-valued differential inclusions.*
Electronic journal of qualitative theory of differential equations 13.
pp. 1-13.(2002)

Graef, John R. and Karsai, János:
*On the oscillation of impulsively damped halflinear oscillators.*
Electronic journal of qualitative theory of differential equations : proceedings of the colloquium on the qualitative theory of differential equations, (6) 14.
pp. 1-12.(2000)

Graef, John R. and Yang, Bo and Zhang, Bing Gen:
*A note on the existence of oscillatory solutions of higher order neutral differential equations.*
Acta scientiarum mathematicarum, (66) 1-2.
pp. 63-70.(2000)