TY - JOUR AU - Drápal, Aleš TI - Multiplication groups of free loops. I JO - Czechoslovak Mathematical Journal PY - 1996 SP - 121 EP - 131 VL - 46 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1996.127276/ DO - 10.21136/CMJ.1996.127276 LA - en ID - 10_21136_CMJ_1996_127276 ER -