J. Appl. Math. Phys. Vol.5 No.4, April 30, 2017 DOI:10.4236/jamp.2017.54085
J. Appl. Math. Phys. Vol.5 No.4, April 30, 2017 DOI:10.4236/jamp.2017.54084
J. Appl. Math. Phys. Vol.5 No.4, April 30, 2017 DOI:10.4236/jamp.2017.54083
J. Appl. Math. Phys. Vol.5 No.4, April 30, 2017 DOI:10.4236/jamp.2017.54082
J. Appl. Math. Phys. Vol.5 No.4, April 30, 2017 DOI:10.4236/jamp.2017.54081
J. Appl. Math. Phys. [ISSUE], [PUBDATE] DOI:[DOI]