@article{CMUC_1976__17_2_a11,
     author = {Bican, Ladislav and Jambor, Pavel and Kepka, Tom\'a\v{s} and N\v{e}mec, Petr},
     title = {A note on test modules},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {345--355},
     publisher = {mathdoc},
     volume = {17},
     number = {2},
     year = {1976},
     mrnumber = {0409556},
     zbl = {0329.16018},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1976__17_2_a11/}
}