@article{CMUC_1991_32_2_a15,
     author = {Sgall, Ji\v{r}{\'\i} and Sochor, Anton{\'\i}n},
     title = {Forcing in the alternative set theory. {II}},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {339--353},
     year = {1991},
     volume = {32},
     number = {2},
     mrnumber = {1137795},
     zbl = {0751.03026},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1991_32_2_a15/}
}