Open Mathematics
Open Mathematics > 2004 > 2 > 3 > 478-492
Open Mathematics > 2005 > 3 > 1 > 26-38
Open Mathematics > 2006 > 4 > 3 > 358-370
Open Mathematics > 2004 > 2 > 3 > 478-492
Open Mathematics > 2005 > 3 > 1 > 26-38
Open Mathematics > 2006 > 4 > 3 > 358-370