@article{NSJOM_2007_37_1a_7,
     author = {I. Chajda},
     title = {Algebras with restricted cardinalities of congruence classes},
     journal = {Novi Sad Journal of Mathematics},
     pages = {49-51},
     publisher = {mathdoc},
     volume = {37},
     number = {1},
     year = {2007},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_2007_37_1a_7/}
}