Int. J. Mod .Nonlinear Theory Appl. Vol.7 No.1, March 26, 2018 DOI:10.4236/ijmnta.2018.71002
Int. J. Mod .Nonlinear Theory Appl. Vol.7 No.1, March 08, 2018 DOI:10.4236/ijmnta.2018.71001
Int. J. Mod .Nonlinear Theory Appl. [ISSUE], [PUBDATE] DOI:[DOI]