Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_2013_93_2_a10, author = {D. V. Radchenko}, title = {Approximation by {Maps} with {Nonnegative} {Jacobian}}, journal = {Matemati\v{c}eskie zametki}, pages = {263--275}, publisher = {mathdoc}, volume = {93}, number = {2}, year = {2013}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_2013_93_2_a10/} }
D. V. Radchenko. Approximation by Maps with Nonnegative Jacobian. Matematičeskie zametki, Tome 93 (2013) no. 2, pp. 263-275. http://geodesic.mathdoc.fr/item/MZM_2013_93_2_a10/