Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1976_226_4_a6, author = {E. P. Dolzhenko and E. A. Sevast'yanov}, title = {On approximations of functions in the {Hausdorff} metric}, journal = {Doklady Akademii Nauk}, pages = {768--770}, publisher = {mathdoc}, volume = {226}, number = {4}, year = {1976}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1976_226_4_a6/} }
E. P. Dolzhenko; E. A. Sevast'yanov. On approximations of functions in the Hausdorff metric. Doklady Akademii Nauk, Tome 226 (1976) no. 4, pp. 768-770. http://geodesic.mathdoc.fr/item/DAN_1976_226_4_a6/