@article{1178243643, author = {Tsuchida, Kisuke}, title = {Principal cofibrations}, journal = {Tohoku Math. J. (2)}, volume = {16}, number = {4}, year = {1964}, pages = { 321-333}, language = {en}, url = {http://dml.mathdoc.fr/item/1178243643} }
Tsuchida, Kisuke. Principal cofibrations. Tohoku Math. J. (2), Tome 16 (1964) no. 4, pp. 321-333. http://gdmltest.u-ga.fr/item/1178243643/