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Mancho Manev, Veselina Tavkova : Lie groups as 3-dimensional almost paracontact almost paracomplex Riemannian manifolds https://t.co/OtRQDl6ofG https://t.co/87ObLLNkHI
Mancho Manev, Veselina Tavkova : Lie groups as 3-dimensional almost paracontact almost paracomplex Riemannian manifolds https://t.co/OtRQDl6ofG https://t.co/87ObLLNkHI