Title of article :
ON SPECIAL WEAK FREE (SEMI)HYPERGROUPS
Author/Authors :
JAFARPOUR، MORTEZA نويسنده , , CHASHIYANI، ABDOLAH نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2013
Abstract :
In this paper, we study some properties of special weak
free (semi)hypergroups and we generalize the Nielsen-Schreier the-
orem for the class of special weak free hypergroups.
Journal title :
Journal of Hyperstructures
Journal title :
Journal of Hyperstructures
