@article{MASLO_1968_18_1_a0,
     author = {Schmidt, E. Tam\'as},
     title = {Zur {Charakterisierung} der {Kongruenzverb\"ande} der {Verb\"ande}},
     journal = {Mathematica slovaca},
     pages = {3--20},
     year = {1968},
     volume = {18},
     number = {1},
     mrnumber = {0241335},
     zbl = {0155.35102},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1968_18_1_a0/}
}