@article{1102784359, author = {Wilson, Leslie C.}, title = {Nonopenness of the set of Thom-Boardman maps.}, journal = {Pacific J. Math.}, volume = {85}, number = {2}, year = {1979}, pages = { 225-232}, language = {en}, url = {http://dml.mathdoc.fr/item/1102784359} }
Wilson, Leslie C. Nonopenness of the set of Thom-Boardman maps.. Pacific J. Math., Tome 85 (1979) no. 2, pp. 225-232. http://gdmltest.u-ga.fr/item/1102784359/