TY - JOUR AU - N. D. Kopachevsky AU - E. V. Syomkina TI - Linear Volterra integro-differential second-order equations unresolved with respect to the highest derivative JO - Eurasian mathematical journal PY - 2013 SP - 64 EP - 87 VL - 4 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EMJ_2013_4_4_a4/ LA - en ID - EMJ_2013_4_4_a4 ER -