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@article{MZM_1980_27_5_a1, author = {V. F. Babenko and S. A. Pichugov}, title = {Best linear approximation of some classes of differentiable periodic functions}, journal = {Matemati\v{c}eskie zametki}, pages = {683--689}, publisher = {mathdoc}, volume = {27}, number = {5}, year = {1980}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1980_27_5_a1/} }
TY - JOUR AU - V. F. Babenko AU - S. A. Pichugov TI - Best linear approximation of some classes of differentiable periodic functions JO - Matematičeskie zametki PY - 1980 SP - 683 EP - 689 VL - 27 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1980_27_5_a1/ LA - ru ID - MZM_1980_27_5_a1 ER -
V. F. Babenko; S. A. Pichugov. Best linear approximation of some classes of differentiable periodic functions. Matematičeskie zametki, Tome 27 (1980) no. 5, pp. 683-689. http://geodesic.mathdoc.fr/item/MZM_1980_27_5_a1/