Voir la notice de l'article provenant de la source Math-Net.Ru
@article{FAA_1971_5_2_a6, author = {A. B. Krygin}, title = {Continuation of diffeomorphisms retaining volume}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {72--76}, publisher = {mathdoc}, volume = {5}, number = {2}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_1971_5_2_a6/} }
A. B. Krygin. Continuation of diffeomorphisms retaining volume. Funkcionalʹnyj analiz i ego priloženiâ, Tome 5 (1971) no. 2, pp. 72-76. http://geodesic.mathdoc.fr/item/FAA_1971_5_2_a6/