Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1997_352_1_a1, author = {I. V. Belyakov and A. M. Stepin}, title = {The extremal property of multidimensional {Chebyshev} mappings}, journal = {Doklady Akademii Nauk}, pages = {11--14}, publisher = {mathdoc}, volume = {352}, number = {1}, year = {1997}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1997_352_1_a1/} }
I. V. Belyakov; A. M. Stepin. The extremal property of multidimensional Chebyshev mappings. Doklady Akademii Nauk, Tome 352 (1997) no. 1, pp. 11-14. http://geodesic.mathdoc.fr/item/DAN_1997_352_1_a1/