Search results
Demonstratio Mathematica > 2021 > Vol. 54, nr 1 > 168--177
Journal of Mathematics and Applications > 2015 > Vol. 38 > 15--31
Demonstratio Mathematica > 2014 > Vol. 47, nr 2 > 433--448
Journal of Applied Analysis > 2013 > Vol. 19, nr 1 > 69--89
Demonstratio Mathematica > 2007 > Vol. 40, nr 3 > 739-743
Fundamenta Mathematicae > 1927 > 9 > 1 > 122-123
Fundamenta Mathematicae > 1927 > 9 > 1 > 1-2
Fundamenta Mathematicae > 1926 > 8 > 1 > 166-172
Fundamenta Mathematicae > 1926 > 8 > 1 > 173-174
Fundamenta Mathematicae > 1926 > 8 > 1 > 49-55
Fundamenta Mathematicae > 1926 > 8 > 1 > 175-188