TY - JOUR AU - G. A. Derfel' AU - S. A. Molchanov TI - Spectral methods in the theory of differential-functional equations JO - Matematičeskie zametki PY - 1990 SP - 42 EP - 51 VL - 47 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1990_47_3_a5/ LA - ru ID - MZM_1990_47_3_a5 ER -