@article{CMUC_1979__20_2_a4,
     author = {Kepka, Tom\'a\v{s} and N\v{e}mec, Petr},
     title = {Quasimodules generated by three elements},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {249--266},
     publisher = {mathdoc},
     volume = {20},
     number = {2},
     year = {1979},
     mrnumber = {539555},
     zbl = {0413.20055},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1979__20_2_a4/}
}