@article{DMGAA_2000_20_1_a2,
     author = {Chajda, Ivan},
     title = {Modyfications of {Cs\'ak\'any's} {Theorem}},
     journal = {Discussiones Mathematicae. General Algebra and Applications},
     pages = {37--41},
     publisher = {mathdoc},
     volume = {20},
     number = {1},
     year = {2000},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGAA_2000_20_1_a2/}
}