@article{GDZPPN002352257, title = {Borsuk's Theory of Shape and Cech Homotopy.}, journal = {Mathematica Scandinavica}, volume = {32}, year = {1973}, pages = {83-89}, zbl = {0271.55010}, url = {http://dml.mathdoc.fr/item/GDZPPN002352257} }
Porter, Tim. Borsuk's Theory of Shape and Cech Homotopy.. Mathematica Scandinavica, Tome 32 (1973) pp. 83-89. http://gdmltest.u-ga.fr/item/GDZPPN002352257/