N. V. Efimov

1910

• Higher geometry
• An elementary course in analytical geometry
• Quadratic forms and matrices
• A brief course in analytic geometry
• Differentialgeometrie
• Flächenverbiegung im Grossen
• Höhere Geometrie
• Kratkiĭ kurs analiticheskoĭ geometrii
• Kvadratichnye formy i matrit͡sy
• Kvadratichnye formy i matrit͡s︡y
• Linear algebra and multidimensional geometry
• Lineĭnai͡a algebera i mnogomernai͡a geometrii͡a