@article{CMUC_1993_34_4_a8,
     author = {Simon, Petr},
     title = {Sacks forcing collapses $\frak c$ to $\frak b$},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {707--710},
     year = {1993},
     volume = {34},
     number = {4},
     mrnumber = {1263799},
     zbl = {0797.03053},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1993_34_4_a8/}
}