Communications in Nonlinear Science and Numerical Simulation
Communications in Nonlinear Science and Numerical Simulation > 2011 > 16 > 8 > 2993-2998
Communications in Nonlinear Science and Numerical Simulation > 2012 > 17 > 1 > 485-487
Communications in Nonlinear Science and Numerical Simulation > 2012 > 17 > 12 > 4524-4528
Communications in Nonlinear Science and Numerical Simulation > 2013 > 18 > 6 > 1558-1561