Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_2002_10_a1, author = {S. K. Vodop'yanov and A. D.-O. Ukhlov}, title = {Superposition operators in {Sobolev} spaces}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {11--33}, publisher = {mathdoc}, number = {10}, year = {2002}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_2002_10_a1/} }
S. K. Vodop'yanov; A. D.-O. Ukhlov. Superposition operators in Sobolev spaces. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 10 (2002), pp. 11-33. http://geodesic.mathdoc.fr/item/IVM_2002_10_a1/