Int. J. Mod .Nonlinear Theory Appl. Vol.6 No.2, June 21, 2017 DOI:10.4236/ijmnta.2017.62007
Int. J. Mod .Nonlinear Theory Appl. Vol.6 No.2, June 14, 2017 DOI:10.4236/ijmnta.2017.62006
Int. J. Mod .Nonlinear Theory Appl. Vol.6 No.2, June 14, 2017 DOI:10.4236/ijmnta.2017.62005
Int. J. Mod .Nonlinear Theory Appl. Vol.6 No.2, June 14, 2017 DOI:10.4236/ijmnta.2017.62004
Int. J. Mod .Nonlinear Theory Appl. [ISSUE], [PUBDATE] DOI:[DOI]