L'élément linéaire projectif d'une surface plongée dans l'espace à connexion projective
Alois Švec (1958)
Czechoslovak Mathematical Journal
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Alois Švec (1958)
Czechoslovak Mathematical Journal
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Alois Švec (1960)
Czechoslovak Mathematical Journal
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Murărescu, Gheorghe, Stavre, Petre (1997)
Balkan Journal of Geometry and its Applications (BJGA)
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Bohumil Cenkl (1964)
Czechoslovak Mathematical Journal
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