TY - JOUR AU - V. A. Malyshev TI - Positive random walks and Galois theory JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1971 VL - 26 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1971_26_1_a14/ LA - ru ID - RM_1971_26_1_a14 ER -