Invariance of an Almost Contact Metric Structure of a Smooth Manifold with Respect to the Characteristic Vector - PDF (Russian)
Copyright (c) 2023 Игнаточкина Л.A., Никифорова А.V., Терпстра М.A.
Copyright (c) 2023 Игнаточкина Л.A., Никифорова А.V., Терпстра М.A.