Search results for: A Sikorska
Demonstratio Mathematica > 2012 > Vol. 45, nr 3 > 561-573
Demonstratio Mathematica > 2011 > Vol. 44, nr 2 > 317-333
Demonstratio Mathematica > 2007 > Vol. 40, nr 1 > 115-124
Demonstratio Mathematica > 2002 > Vol. 35, nr 1 > 49-60