TY - JOUR AU - T. Ya. Azizov AU - V. K. Kiriakidi AU - G. A. Kurina TI - An Indefinite Approach to the Reduction of a Nonnegative Hamiltonian Operator Function to a Block Diagonal Form JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 2001 SP - 73 EP - 75 VL - 35 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_2001_35_3_a6/ LA - ru ID - FAA_2001_35_3_a6 ER -