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Конечные группы с порядками кофакторов подгрупп, свободными от квадратов
(Национальная академия наук Беларуси, 2005)
Study is made of finite groups, whose orders of subgroup core factors are not divided into squares of simple numbers.
Some properties of such groups are revealed. In particular, il is proved that their derivative length ...
О порядках кофакторов подгрупп конечной разрешимой группы
(Национальная академия наук Беларуси, 2005)
It is investigated the rank dependence of the derivative length and p-length finite soluble group from values of orders core factors subgroups.