Nonlinear Analysis: Theory, Methods & Applications
Nonlinear Analysis > 2009 > 70 > 2 > 719-734
Nonlinear Analysis > 2009 > 70 > 11 > 4047-4052
Nonlinear Analysis > 2009 > 70 > 11 > 4039-4046
Nonlinear Analysis > 2009 > 70 > 2 > 719-734
Nonlinear Analysis > 2009 > 70 > 11 > 4047-4052
Nonlinear Analysis > 2009 > 70 > 11 > 4039-4046