@article{MASLO_1954_4_3_a3,
     author = {Jakub{\'\i}k, J\'an},
     title = {O grafovom izomorfizme semimodul\'arnych sv\"azov},
     journal = {Mathematica slovaca},
     pages = {162--177},
     year = {1954},
     volume = {4},
     number = {3},
     mrnumber = {0069139},
     language = {sk},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1954_4_3_a3/}
}