TY - JOUR AU - Hosein Ansari TI - Degenerate differential-operator equations on infinite interval JO - Proceedings of the Yerevan State University. Physical and mathematical sciences PY - 2011 SP - 27 EP - 32 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/UZERU_2011_2_a4/ LA - en ID - UZERU_2011_2_a4 ER -