Appl. Math. Vol.8 No.9, September 30, 2017 DOI:10.4236/am.2017.89101
Appl. Math. Vol.8 No.9, September 28, 2017 DOI:10.4236/am.2017.89100
Appl. Math. Vol.8 No.9, September 27, 2017 DOI:10.4236/am.2017.89099
Appl. Math. Vol.8 No.9, September 27, 2017 DOI:10.4236/am.2017.89098
Appl. Math. Vol.8 No.9, September 25, 2017 DOI:10.4236/am.2017.89097
Appl. Math. [ISSUE], [PUBDATE] DOI:[DOI]