Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1984_278_1_a10, author = {V. A. Khatskevich and Yu. L. Shmul'yan and V. S. Shulman}, title = {Equivalent contractions}, journal = {Doklady Akademii Nauk}, pages = {47--49}, publisher = {mathdoc}, volume = {278}, number = {1}, year = {1984}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1984_278_1_a10/} }
V. A. Khatskevich; Yu. L. Shmul'yan; V. S. Shulman. Equivalent contractions. Doklady Akademii Nauk, Tome 278 (1984) no. 1, pp. 47-49. http://geodesic.mathdoc.fr/item/DAN_1984_278_1_a10/