@article{AUCMP_1990__31_1_a2,
     author = {Je\v{z}ek, Jaroslav and Kepka, Tom\'a\v{s}},
     title = {Notes on the number of associative triples},
     journal = {Acta Universitatis Carolinae. Mathematica et Physica},
     pages = {15--19},
     publisher = {mathdoc},
     volume = {31},
     number = {1},
     year = {1990},
     mrnumber = {1098123},
     zbl = {0786.20042},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AUCMP_1990__31_1_a2/}
}