TY - JOUR AU - I. I. Endovickii TI - Certain conditions for the stability of the solutions of second order linear differential equations JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1969 SP - 35 EP - 41 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1969_5_a4/ LA - ru ID - IVM_1969_5_a4 ER -