TY - JOUR AU - Ya. Ihara TI - On congruence monodromy problems.~I JO - Matematika PY - 1970 SP - 62 EP - 101 VL - 14 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MAT_1970_14_5_a1/ LA - ru ID - MAT_1970_14_5_a1 ER -