Open Mathematics
Open Mathematics > 2005 > 3 > 1 > 98-104
Open Mathematics > 2007 > 5 > 2 > 397-414
Open Mathematics > 2008 > 6 > 4 > 581-594
Open Mathematics > 2009 > 7 > 2 > 322-334
Open Mathematics > 2010 > 8 > 6 > 1091-1103
Open Mathematics > 2011 > 9 > 1 > 184-195
Open Mathematics > 2015 > 13 > 1
Open Mathematics > 2016 > 14 > 1 > 497-508