TY - JOUR AU - M. I. Ostrovskii AU - V. A. Khatskevich AU - V. S. Shulman TI - Operator Quadratic Inequalities and Linear Fractional Relations JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 2007 SP - 83 EP - 87 VL - 41 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_2007_41_4_a8/ LA - ru ID - FAA_2007_41_4_a8 ER -