∫ Утверждение Mathlib
nonempty_diffeomorph_sphere_three
Mathlib.Geometry.Manifold.PoincareConjecture
URI: https://scilib.ai/kg/mathlib#SimplyConnectedSpace.nonempty_diffeomorph_sphere_three
∫ Утверждение Mathlib
Mathlib.Geometry.Manifold.PoincareConjecture
URI: https://scilib.ai/kg/mathlib#SimplyConnectedSpace.nonempty_diffeomorph_sphere_three