TY - JOUR AU - Kh. Kh. Kalazhokov TI - Some classes of dynamic models of productive JO - News of the Kabardin-Balkar scientific center of RAS PY - 2012 SP - 26 EP - 34 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IZKAB_2012_4_a2/ LA - ru ID - IZKAB_2012_4_a2 ER -