Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1976_20_3_a13, author = {V. G. Doronin and A. A. Ligun}, title = {Precise values of the best one-sided approximations by splines}, journal = {Matemati\v{c}eskie zametki}, pages = {417--424}, publisher = {mathdoc}, volume = {20}, number = {3}, year = {1976}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1976_20_3_a13/} }
V. G. Doronin; A. A. Ligun. Precise values of the best one-sided approximations by splines. Matematičeskie zametki, Tome 20 (1976) no. 3, pp. 417-424. http://geodesic.mathdoc.fr/item/MZM_1976_20_3_a13/