Items where Author is " Yuan Chengjun"

Journal

Yuan Chengjun and Jiang Daqing and O'Regan Donal and Agarwal Ravi P.: Multiple positive solutions to systems of nonlinear semipositone fractional differential equations with coupled boundary conditions. (2012)

Yuan Chengjun: Multiple positive solutions for (n-1, 1)-type semipositone conjugate boundary value problems for coupled systems of nonlinear fractional differential equations. (2011)

Yuan Chengjun: Multiple positive solutions for (n-1, 1)-type semipositone conjugate boundary value problems of nonlinear fractional differential equation. (2010)