@article{10_4064_fm_90_3_233_251, author = {J. Bryszewski and Lech G\'orniewicz}, title = {Multi-valued maps of subsets of {Euclidean} spaces}, journal = {Fundamenta Mathematicae}, pages = {233--251}, publisher = {mathdoc}, volume = {90}, number = {3}, year = {1975}, doi = {10.4064/fm-90-3-233-251}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-90-3-233-251/} }