Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1993_333_1_a0, author = {E. P. Dolzhenko and E. A. Sevast'yanov}, title = {Sign-sensitive approximations. {Problems} of uniqueness and}, journal = {Doklady Akademii Nauk}, pages = {5--7}, publisher = {mathdoc}, volume = {333}, number = {1}, year = {1993}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1993_333_1_a0/} }
E. P. Dolzhenko; E. A. Sevast'yanov. Sign-sensitive approximations. Problems of uniqueness and. Doklady Akademii Nauk, Tome 333 (1993) no. 1, pp. 5-7. http://geodesic.mathdoc.fr/item/DAN_1993_333_1_a0/