@article{ZVMMF_1977_17_4_a3, author = {A. P. Grishin}, title = {The extremal problem of representing a given function of two variables by a table of values of functions of a single variable}, journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki}, pages = {838--846}, publisher = {mathdoc}, volume = {17}, number = {4}, year = {1977}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/ZVMMF_1977_17_4_a3/} }