@article{CMUC_1974__15_4_a3,
     author = {K\v{r}{\'\i}\v{z}kov\'a, Jitka and Vrbov\'a, Pavla},
     title = {A remark on a factorization theorem},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {611--614},
     publisher = {mathdoc},
     volume = {15},
     number = {4},
     year = {1974},
     mrnumber = {0361789},
     zbl = {0329.46055},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1974__15_4_a3/}
}