@article{10_4064_fm_119_1_11_34, author = {L. Polkowski}, title = {Some theorems on invariance of infinite dimension under open and closed mappings}, journal = {Fundamenta Mathematicae}, pages = {11--34}, publisher = {mathdoc}, volume = {119}, number = {1}, year = {1983}, doi = {10.4064/fm-119-1-11-34}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-119-1-11-34/} }