Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1969_5_3_a4, author = {V. I. Polovinkin}, title = {Some estimates of norms of functionals of cubature formula errors}, journal = {Matemati\v{c}eskie zametki}, pages = {317--322}, publisher = {mathdoc}, volume = {5}, number = {3}, year = {1969}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1969_5_3_a4/} }
V. I. Polovinkin. Some estimates of norms of functionals of cubature formula errors. Matematičeskie zametki, Tome 5 (1969) no. 3, pp. 317-322. http://geodesic.mathdoc.fr/item/MZM_1969_5_3_a4/