TY - JOUR AU - I. G. Khachatryan TI - Certain inverse problems for differential operators of higher orders on the semiaxis JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1983 SP - 40 EP - 52 VL - 17 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1983_17_1_a4/ LA - ru ID - FAA_1983_17_1_a4 ER -