Appl. Math. Vol.2 No.11, November 30, 2011 DOI:10.4236/am.2011.211200
Appl. Math. Vol.2 No.11, November 30, 2011 DOI:10.4236/am.2011.211199
Appl. Math. Vol.2 No.11, November 30, 2011 DOI:10.4236/am.2011.211198
Appl. Math. Vol.2 No.11, November 30, 2011 DOI:10.4236/am.2011.211197
Appl. Math. Vol.2 No.11, November 30, 2011 DOI:10.4236/am.2011.211196
Appl. Math. [ISSUE], [PUBDATE] DOI:[DOI]