@article{10_4064_fm_79_3_251_264, author = {T. Ma\'ckowiak}, title = {Semi-confluent mappings and their invariants}, journal = {Fundamenta Mathematicae}, pages = {251--264}, publisher = {mathdoc}, volume = {79}, number = {3}, year = {1973}, doi = {10.4064/fm-79-3-251-264}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-79-3-251-264/} }