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Information × Registration Number 0204U005120, 0101U004542 , R & D reports Title Representations of finite groups over commutative ring and their applications. Some problems ofintegration of differential and differentially-functional equations. popup.stage_title Head Marynetc V., Gudivok P., Registration Date 17-03-2004 Organization Uzhgorod National University popup.description2 The series of results on matrix representations of finite p-groups over commutative rings are received. The series of results on multidimensional torsion free crystallographic groups are proved. Some classes of Chernikov p-groups are described up to isomorphism. The characteristic initial value problem for the sistem of nonlinear partial second order differential eguation has been researched and one two-sided method"s modification of the approximate integration of this problem has been constructed. By using the numerical-analytic method of successive approximations the guestions of existence and finding the approximate solutions of under multi- point boundary value problems both for systems of ordinary differential eguations with impulse action and with unknown parameters are investigated.5635 Product Description popup.authors popup.nrat_date 2020-04-02 Close