@article{1029000527, author = {Lacher, R. C.}, title = {Cellularity criteria for maps.}, journal = {Michigan Math. J.}, volume = {17}, number = {1}, year = {1970}, pages = { 385-396}, language = {en}, url = {http://dml.mathdoc.fr/item/1029000527} }
Lacher, R. C. Cellularity criteria for maps.. Michigan Math. J., Tome 17 (1970) no. 1, pp. 385-396. http://gdmltest.u-ga.fr/item/1029000527/