TY - JOUR AU - L. A. Sakhnovich TI - The representation of the kernel of an invertible operator JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1977 SP - 89 EP - 90 VL - 11 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1977_11_2_a13/ LA - ru ID - FAA_1977_11_2_a13 ER -