Annales UMCS, Mathematica
Annales UMCS, Mathematica > 2013 > 67 > 1 > 57-64
Annales UMCS, Mathematica > 2013 > 67 > 1 > 23-33
Annales UMCS, Mathematica > 2013 > 67 > 1 > 65-82
Annales UMCS, Mathematica > 2013 > 67 > 1 > 83-101
Annales UMCS, Mathematica > 2013 > 67 > 1 > 35-44
Annales UMCS, Mathematica > 2013 > 67 > 1 > 11-22
Annales UMCS, Mathematica > 2013 > 67 > 1 > 1-10
Annales UMCS, Mathematica > 2013 > 67 > 1 > 45-56