Nonlinear Analysis: Theory, Methods & Applications
Nonlinear Analysis > 2009 > 71 > 5-6 > 2227-2235
Nonlinear Analysis > 2009 > 71 > 7-8 > 2780-2791
Nonlinear Analysis > 2009 > 71 > 10 > 4364-4376
Nonlinear Analysis > 2009 > 71 > 12 > e800-e809