@article{CMUC_1968_9_1_a15,
     author = {Mozzochi, Charles J.},
     title = {A partial generalization of a theorem of {Hursch}},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {157--159},
     year = {1968},
     volume = {9},
     number = {1},
     mrnumber = {0233329},
     zbl = {0157.29502},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1968_9_1_a15/}
}