@article{CMUC_1974__15_3_a7, author = {Cherenack, Paul}, title = {The topological nature of algebraic contractions}, journal = {Commentationes Mathematicae Universitatis Carolinae}, pages = {481--499}, publisher = {mathdoc}, volume = {15}, number = {3}, year = {1974}, mrnumber = {0354659}, zbl = {0299.14012}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMUC_1974__15_3_a7/} }