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Information × Registration Number 0111U005735, ( 0215U001885  ) R & D request Title The investigation of difficult algebraic and topological structures Head Лиман Федір Миколайович, Registration Date 31-08-2011 Organization Sumy State Pedagogical University named after A. S. Makarenko popup.description1 popup.nrat_date 2024-12-10 Close