TY - JOUR AU - L. A. Lyutikova AU - E. V. Shmatova TI - To the question of constructing a qualitative recognition JO - News of the Kabardin-Balkar scientific center of RAS PY - 2017 SP - 170 EP - 175 IS - 6-2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IZKAB_2017_6-2_a17/ LA - ru ID - IZKAB_2017_6-2_a17 ER -