Appl. Math. Vol.4 No.8 A, August 06, 2013 DOI:10.4236/am.2013.48A023
Appl. Math. Vol.4 No.8 A, August 01, 2013 DOI:10.4236/am.2013.48A022
Appl. Math. Vol.4 No.8 A, July 29, 2013 DOI:10.4236/am.2013.48A021
Appl. Math. Vol.4 No.8 A, July 29, 2013 DOI:10.4236/am.2013.48A020
Appl. Math. Vol.4 No.8 A, July 29, 2013 DOI:10.4236/am.2013.48A019
Appl. Math. [ISSUE], [PUBDATE] DOI:[DOI]