@article{1102866794, author = {Fritsch, Rudolf}, title = {An approximation theorem for maps into Kan fibrations.}, journal = {Pacific J. Math.}, volume = {67}, number = {2}, year = {1976}, pages = { 347-351}, language = {en}, url = {http://dml.mathdoc.fr/item/1102866794} }
Fritsch, Rudolf. An approximation theorem for maps into Kan fibrations.. Pacific J. Math., Tome 67 (1976) no. 2, pp. 347-351. http://gdmltest.u-ga.fr/item/1102866794/