Open Mathematics
Open Mathematics > 2003 > 1 > 2 > 208-220
Open Mathematics > 2003 > 1 > 2 > 157-168
Open Mathematics > 2004 > 2 > 2 > 218-249
Open Mathematics > 2004 > 2 > 2 > 250-259
Open Mathematics > 2005 > 3 > 2 > 242-244
Open Mathematics > 2003 > 1 > 2 > 208-220
Open Mathematics > 2003 > 1 > 2 > 157-168
Open Mathematics > 2004 > 2 > 2 > 218-249
Open Mathematics > 2004 > 2 > 2 > 250-259
Open Mathematics > 2005 > 3 > 2 > 242-244