Nonlinear Analysis: Theory, Methods & Applications
Nonlinear Analysis > 2014 > 95 > Complete > 292-307
Nonlinear Analysis > 2014 > 103 > Complete > 2-8
Nonlinear Analysis > 2014 > 95 > Complete > 292-307
Nonlinear Analysis > 2014 > 103 > Complete > 2-8