TY - JOUR AU - A. P. Khromov TI - Differential operator with irregular splitting boundary conditions JO - Matematičeskie zametki PY - 1976 SP - 763 EP - 772 VL - 19 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1976_19_5_a11/ LA - ru ID - MZM_1976_19_5_a11 ER -