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@article{MZM_1990_48_4_a9, author = {Yu. N. Subbotin}, title = {Error of the approximation by interpolation polynomials of small degrees on $n$-simplices}, journal = {Matemati\v{c}eskie zametki}, pages = {88--99}, publisher = {mathdoc}, volume = {48}, number = {4}, year = {1990}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1990_48_4_a9/} }
Yu. N. Subbotin. Error of the approximation by interpolation polynomials of small degrees on $n$-simplices. Matematičeskie zametki, Tome 48 (1990) no. 4, pp. 88-99. http://geodesic.mathdoc.fr/item/MZM_1990_48_4_a9/