TY - JOUR AU - I. V. Evstigneev TI - Positive matrix-valued cocycles over dynamical systems JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1974 VL - 29 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1974_29_5_a10/ LA - ru ID - RM_1974_29_5_a10 ER -