TY - JOUR AU - L. A. Sakhnovich TI - Factorization of operators in $L^2(a,b)$ JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1979 SP - 40 EP - 45 VL - 13 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1979_13_3_a4/ LA - ru ID - FAA_1979_13_3_a4 ER -