A simple non-euclidean geometry and its physical basis /
Yaglom, I.M ed.
A simple non-euclidean geometry and its physical basis / Ed. by I.M Yaglom. - New York: Springer-Verlag; 1979. - xviii, 307p.
Geometry.
514.13 / YAG
A simple non-euclidean geometry and its physical basis / Ed. by I.M Yaglom. - New York: Springer-Verlag; 1979. - xviii, 307p.
Geometry.
514.13 / YAG