Henle, M. (2001). Modern geometries: Non-euclidean, projective, and discrete (2nd ed.). Upper Saddle River, NJ.: Prentice-Hall.
Παραπομπή Chicago StyleHenle, Michael. Modern Geometries: Non-euclidean, Projective, and Discrete. 2nd ed. Upper Saddle River, NJ.: Prentice-Hall, 2001.
Παραπομπή MLAHenle, Michael. Modern Geometries: Non-euclidean, Projective, and Discrete. 2nd ed. Upper Saddle River, NJ.: Prentice-Hall, 2001.
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