TY - JOUR AU - A. O. Babayan AU - S. O. Abelyan TI - Defect Numbers of the Dirichlet Problem for a Properly Elliptic Sixth-Order Equation JO - Matematičeskie zametki PY - 2018 SP - 345 EP - 355 VL - 104 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2018_104_3_a2/ LA - ru ID - MZM_2018_104_3_a2 ER -