Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1971_9_a10, author = {N. P. Sergeev}, title = {Generalized quadrature formulae of highest algebraic accuracy}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {85--93}, publisher = {mathdoc}, number = {9}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1971_9_a10/} }
N. P. Sergeev. Generalized quadrature formulae of highest algebraic accuracy. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 9 (1971), pp. 85-93. http://geodesic.mathdoc.fr/item/IVM_1971_9_a10/