# Search results

Annales Mathematicae Silesianae > 2017 > 31 > 1 > 127-140

Concrete Operators > 2016 > 3 > 1 > 68-76

International Journal of Applied Mathematics and Computer Science > 2016 > 26 > 2 > 263-275

Open Mathematics > 2016 > 14 > 1 > 361-369

Open Mathematics > 2015 > 13 > 1

Open Mathematics > 2012 > 10 > 6 > 2003-2011

Open Mathematics > 2011 > 9 > 4 > 797-802

Discussiones Mathematicae, Differential Inclusions, Control and Optimization > 2011 > 31 > 1 > 71-90

Open Mathematics > 2010 > 8 > 6 > 1109-1119

Commentationes Mathematicae > 2010 > 50 > 2

Discussiones Mathematicae, Differential Inclusions, Control and Optimization > 2009 > 29 > 1 > 113-126

Annales UMCS, Mathematica > 2009 > 63 > 1 > 39-48

Open Mathematics > 2008 > 6 > 2 > 262-271

Open Mathematics > 2007 > 5 > 2 > 205-214

Applicationes Mathematicae > 2000 > 27 > 3 > 369-375

Studia Mathematica > 2000 > 140 > 1 > 1-14

Applicationes Mathematicae > 1999 > 26 > 2 > 151-157