@article{VKAM_2022_38_1_a7, author = {Kh. M. Shadimetov and A. K. Boltaev and R. I. Parovik}, title = {Construction of optimal interpolation formula exact for trigonometric functions by {Sobolev's} method}, journal = {Vestnik KRAUNC. Fiziko-matemati\v{c}eskie nauki}, pages = {131--146}, publisher = {mathdoc}, volume = {38}, number = {1}, year = {2022}, language = {en}, url = {http://geodesic.mathdoc.fr/item/VKAM_2022_38_1_a7/} }