TY - JOUR AU - V. A. Tabueva TI - A qualitative investigation of a certain differential equation of the second order in control theory JO - Differencialʹnye uravneniâ PY - 1965 SP - 1557 EP - 1567 VL - 1 IS - 12 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1965_1_12_a1/ LA - ru ID - DE_1965_1_12_a1 ER -