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Baltic Region
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Kantian Journal
Surgical Practice
Differential Geometry of Manifolds
Vestnik
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Differential Geometry of Manifolds
1974 №5
О вырожденных конгруэнциях (CZ)2,1 в трехмерном проективном пространстве
Differential Geometry of Manifolds
1974 №5
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О вырожденных конгруэнциях (CZ)2,1 в трехмерном проективном пространстве
