@article{ASNSP_1978_4_5_3_455_0,
     author = {Sobolev, S. L.},
     title = {Les coefficients optimaux des formules d'int\'egration approximative},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {455--469},
     year = {1978},
     publisher = {Scuola normale superiore},
     volume = {4e s{\'e}rie, 5},
     number = {3},
     mrnumber = {506995},
     zbl = {0393.65010},
     language = {fr},
     url = {https://www.numdam.org/item/ASNSP_1978_4_5_3_455_0/}
}