TY - JOUR AU - Yu. L. Ershov TI - Projectivity of the~Absolute Galois Groups of Multi-Valued Fields JO - Matematičeskie trudy PY - 2003 SP - 28 EP - 33 VL - 6 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MT_2003_6_1_a1/ LA - ru ID - MT_2003_6_1_a1 ER -