Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1983_33_5_a8, author = {V. T. Shevaldin}, title = {$\mathscr L${-Splines} and widths}, journal = {Matemati\v{c}eskie zametki}, pages = {735--744}, publisher = {mathdoc}, volume = {33}, number = {5}, year = {1983}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1983_33_5_a8/} }
V. T. Shevaldin. $\mathscr L$-Splines and widths. Matematičeskie zametki, Tome 33 (1983) no. 5, pp. 735-744. http://geodesic.mathdoc.fr/item/MZM_1983_33_5_a8/