Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1981_29_4_a12, author = {V. T. Shevaldin}, title = {A problem of extremal interpolation}, journal = {Matemati\v{c}eskie zametki}, pages = {603--622}, publisher = {mathdoc}, volume = {29}, number = {4}, year = {1981}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1981_29_4_a12/} }
V. T. Shevaldin. A problem of extremal interpolation. Matematičeskie zametki, Tome 29 (1981) no. 4, pp. 603-622. http://geodesic.mathdoc.fr/item/MZM_1981_29_4_a12/