Search results
Open Mathematics > 2017 > 15 > 1 > 1549-1557
Open Mathematics > 2011 > 9 > 5 > 1135-1142
Open Mathematics > 2010 > 8 > 6 > 1058-1090
Open Mathematics > 2009 > 7 > 4 > 741-756
Open Mathematics > 2008 > 6 > 2 > 307-324
Applicationes Mathematicae > 1999 > 25 > 4 > 393-399
Annales Polonici Mathematici > 1999 > 71 > 1 > 61-86
Annales Polonici Mathematici > 1998 > 68 > 2 > 165-175