a
Lechalas, Georges. 1851- **E5129.143 Introduction a la géométrie générale. — Paris. Gauthier-Villars. 1904. ix, 58 pp. Diagrams. [Actu- alités scientifiques.] 16°.
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ae: This card was printed at the Boston Public Library, June §, 1906. -—  Gr1651 — Modern higher geometry.