%0 Journal Article %A V. F. Storchai %T Approximation of functions of two variables by polyhedral functions in the uniform metric %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1973 %P 84-88 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1973_8_a10/ %G ru %F IVM_1973_8_a10