%A CsĂśrgĹ Piroska %A Fine Benjamin %A Rosenberger Gerhard %N 1-2 %P 95-105 %D 2002 %L acta15901 %O Bibliogr.: p. 104-105.; Abstract %K Matematika %T On certain equations in free groups %J Acta scientiarum mathematicarum %V 68