"Differentialgeometrie." . . "Geometria differenziale." . . "espace métrique." . . . . "géométrie intrinsèque." . . "Superficies (Matemáticas)" . . "métrique riemannienne." . . "Oberfläche." . . "Surfaces (mathématiques)" . . "Geometria Diferencial." . . "Geometria diferencial." . "espace Riemann." . . . . . "Intrinsic geometry of surfaces"@en . "Intrinsic geometry of surfaces" . . . . . . . . . . . . . "Intrinsic geometry of surfaces [Transl. from the russian by J.M. Danskin]" . . . . "Wirkliche Geometrie" . "Wirkliche Geometrie"@en . . . . . . "Dvumernye mnogoobrazija ogranǐcennoj kriviziy" . . . . . . . . . . . . . . . . . . "Intrinsic geometry of surfaces : (two-dimensional manifolds of bounded curvature)" . . . . . . . "Geometry, Differential." . . "Géométrie différentielle." . . "American Mathematical Society." . . "Théorie Morse (Mathématiques)" . . "géométrie surface." . . "Differentiaalmeetkunde. Globale analyse." . .