Open Mathematics
Open Mathematics > 2003 > 1 > 4 > 644-649
Open Mathematics > 2004 > 2 > 1 > 67-75
Open Mathematics > 2004 > 2 > 1 > 57-66
Open Mathematics > 2004 > 2 > 1 > 76-86
Open Mathematics > 2004 > 2 > 1 > 103-111
Open Mathematics > 2004 > 2 > 1 > 123-142
Open Mathematics > 2004 > 2 > 1 > 112-122
Open Mathematics > 2004 > 2 > 1 > 87-102
Open Mathematics > 2004 > 2 > 1 > 50-56
Open Mathematics > 2004 > 2 > 1 > 1-18
Open Mathematics > 2004 > 2 > 1 > 19-49
Open Mathematics > 2004 > 2 > 2 > 177-190
Open Mathematics > 2004 > 2 > 2 > 218-249
Open Mathematics > 2004 > 2 > 2 > 199-217
Open Mathematics > 2004 > 2 > 2 > 191-198
Open Mathematics > 2004 > 2 > 2 > 260-271
Open Mathematics > 2004 > 2 > 2 > 272-293
Open Mathematics > 2004 > 2 > 2 > 332-338
Open Mathematics > 2004 > 2 > 2 > 250-259