@article{1103052197, author = {Rad\'o, Tibor}, title = {An approach to singular homology theory.}, journal = {Pacific J. Math.}, volume = {1}, number = {1}, year = {1951}, pages = { 265-290}, language = {en}, url = {http://dml.mathdoc.fr/item/1103052197} }
Radó, Tibor. An approach to singular homology theory.. Pacific J. Math., Tome 1 (1951) no. 1, pp. 265-290. http://gdmltest.u-ga.fr/item/1103052197/