Hasil Petr and Veselý Michal: Oscillation and non-oscillation criterion for Riemann–Weber type half-linear differential equations. (2016)
Hasil Petr and Vítovec Jiří: Conditional oscillation of half-linear Euler-type dynamic equations on time scales. (2015)
Hasil Petr and Veselý Michal: Non-oscillation of half-linear differential equations with periodic coefficients. (2015)
Hasil Petr and Veselý Michal: Limit periodic linear difference systems with coefficient matrices from commutative groups. (2014)
Veselý Michal and Hasil Petr: Criticality of one term 2n-order self-adjoint differential equations. (2012)