TY - JOUR AU - L. A. Sakhnovich TI - Spectral Theory of a Class of Canonical Differential Systems JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 2000 SP - 50 EP - 62 VL - 34 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_2000_34_2_a5/ LA - ru ID - FAA_2000_34_2_a5 ER -