@article{1103036727, author = {Kosi\'nski, A.}, title = {A theorem on families of acyclic sets and its applications.}, journal = {Pacific J. Math.}, volume = {12}, number = {4}, year = {1962}, pages = { 317-325}, language = {en}, url = {http://dml.mathdoc.fr/item/1103036727} }
Kosiński, A. A theorem on families of acyclic sets and its applications.. Pacific J. Math., Tome 12 (1962) no. 4, pp. 317-325. http://gdmltest.u-ga.fr/item/1103036727/