Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1973_208_6_a14, author = {V. S. Chunaev}, title = {Switching functions}, journal = {Doklady Akademii Nauk}, pages = {1311--1314}, publisher = {mathdoc}, volume = {208}, number = {6}, year = {1973}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1973_208_6_a14/} }
V. S. Chunaev. Switching functions. Doklady Akademii Nauk, Tome 208 (1973) no. 6, pp. 1311-1314. http://geodesic.mathdoc.fr/item/DAN_1973_208_6_a14/