TY - JOUR AU - R. R. Mkrtumyan TI - A third order linear differential equation JO - Differencialʹnye uravneniâ PY - 1978 SP - 551 EP - 553 VL - 14 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1978_14_3_a21/ LA - ru ID - DE_1978_14_3_a21 ER -