Annales UMCS, Mathematica
Annales UMCS, Mathematica > 2015 > 69 > 1 > 23-57
Annales UMCS, Mathematica > 2015 > 69 > 1 > 59-71
Annales UMCS, Mathematica > 2015 > 69 > 1 > 5-21
Annales UMCS, Mathematica > 2015 > 69 > 1 > 73-82
Annales UMCS, Mathematica > 2015 > 69 > 1 > 83-90
Annales UMCS, Mathematica > 2015 > 69 > 1 > 1-4
Annales UMCS, Mathematica > 2015 > 69 > 1 > 91-108
Annales UMCS, Mathematica > 2015 > 69 > 1 > 109-119