TY - JOUR AU - Yu. V. Turovskii TI - Spectral properties of elements of normed algebras and invariant subspaces JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1984 SP - 77 EP - 78 VL - 18 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1984_18_2_a17/ LA - ru ID - FAA_1984_18_2_a17 ER -