@article{05228061, title = {An analog of Sard's theorem for }, journal = {Sibirskij Matematicheskij Zhurnal}, volume = {47}, year = {2006}, pages = {1083-1091}, zbl = {1150.26322}, language = {en}, url = {http://dml.mathdoc.fr/item/05228061} }
Korobkov, M.V. An analog of Sard's theorem for . Sibirskij Matematicheskij Zhurnal, Tome 47 (2006) pp. 1083-1091. http://gdmltest.u-ga.fr/item/05228061/