Geodesic
Some estimates of norms of functionals of cubature formula errors
Matematičeskie zametki, Tome 5 (1969) no. 3, pp. 317-322

Voir la notice de l'article provenant de la source Math-Net.Ru

It is shown that sequences of cubature formulas with a regular boundary layer are asymptotically optimal in the classes of functions $\mathring L_2^{(m)}(\Omega)$. 
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     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/}
}
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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/