Nonlinear Dynamics
Nonlinear Dynamics > 2014 > 77 > 1-2 > 145-151
Nonlinear Dynamics > 2014 > 77 > 1-2 > 99-105
Nonlinear Dynamics > 2014 > 77 > 3 > 643-653
Nonlinear Dynamics > 2014 > 77 > 4 > 1251-1260
Nonlinear Dynamics > 2014 > 77 > 4 > 1547-1559