Browsing Doctorat (Mathématiques) by Subject "(ƮN)Ʈ-group"
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(جامعة الإخوة منتوري قسنطينة, 2018-11-04)The first axis consists of two parts, the first containing the definitions and characteristics of FC-groups. The second part showing the relationship between this class, the class of PE-groups and the problem of P. Erdös. ...