TY - JOUR AU - A. D. Gvishiani AU - S. M. Agayan AU - Sh. R. Bogoutdinov TI - Investigation of systems of real functions on two-dimensional grids using fuzzy sets JO - Čebyševskij sbornik PY - 2019 SP - 94 EP - 111 VL - 20 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CHEB_2019_20_1_a4/ LA - ru ID - CHEB_2019_20_1_a4 ER -