TY - JOUR AU - V. V. Tkachuk TI - Homeomorphisms of free topological groups do not preserve compactness JO - Matematičeskie zametki PY - 1987 SP - 455 EP - 462 VL - 42 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1987_42_3_a10/ LA - ru ID - MZM_1987_42_3_a10 ER -