TY - JOUR AU - Yu. E. Egorov TI - Removable singularities in boundary conditions for differential equations JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 1985 SP - 30 EP - 36 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_1985_6_a5/ LA - ru ID - VMUMM_1985_6_a5 ER -