TY - JOUR AU - Z. I. Leǐbenzon TI - Spectral resolutions of transformations of systems of boundary value problems JO - Trudy Moskovskogo matematičeskogo obŝestva PY - 1971 SP - 15 EP - 58 VL - 25 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MMO_1971_25_a1/ LA - ru ID - MMO_1971_25_a1 ER -