TY - JOUR AU - G. V. Chernyshev TI - Principles of the tool system queries JO - News of the Kabardin-Balkar scientific center of RAS PY - 2012 SP - 42 EP - 49 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IZKAB_2012_6_a6/ LA - ru ID - IZKAB_2012_6_a6 ER -