@article{1214435238, author = {Kaufman, R.}, title = {A singular map of a cube onto a square}, journal = {J. Differential Geom.}, volume = {14}, number = {1}, year = {1979}, pages = { 593-594}, language = {en}, url = {http://dml.mathdoc.fr/item/1214435238} }
Kaufman, R. A singular map of a cube onto a square. J. Differential Geom., Tome 14 (1979) no. 1, pp. 593-594. http://gdmltest.u-ga.fr/item/1214435238/