@article{1102906171, author = {Church, P. T. and Timourian, J. G.}, title = {Maps with $0$-dimensional critical set.}, journal = {Pacific J. Math.}, volume = {61}, number = {2}, year = {1975}, pages = { 59-66}, language = {en}, url = {http://dml.mathdoc.fr/item/1102906171} }
Church, P. T.; Timourian, J. G. Maps with $0$-dimensional critical set.. Pacific J. Math., Tome 61 (1975) no. 2, pp. 59-66. http://gdmltest.u-ga.fr/item/1102906171/