Open Mathematics
Open Mathematics > 2008 > 6 > 4 > 497-503
Open Mathematics > 2008 > 6 > 4 > 595-609
Open Mathematics > 2008 > 6 > 4 > 610-621
Open Mathematics > 2008 > 6 > 4 > 537-542
Open Mathematics > 2008 > 6 > 4 > 576-580
Open Mathematics > 2008 > 6 > 4 > 526-536
Open Mathematics > 2008 > 6 > 4 > 568-575
Open Mathematics > 2008 > 6 > 4 > 559-567
Open Mathematics > 2008 > 6 > 4 > 504-525
Open Mathematics > 2008 > 6 > 4 > 581-594
Open Mathematics > 2008 > 6 > 4 > 543-558