Nonlinear Analysis: Theory, Methods & Applications
Nonlinear Analysis > 2007 > 66 > 2 > 484-497
Nonlinear Analysis > 2007 > 66 > 11 > 2427-2458
Nonlinear Analysis > 2007 > 66 > 12 > 2794-2813
Nonlinear Analysis > 2007 > 66 > 2 > 484-497
Nonlinear Analysis > 2007 > 66 > 11 > 2427-2458
Nonlinear Analysis > 2007 > 66 > 12 > 2794-2813