Bibliography

1

E. Artin, Geometric Algebra, Info. Science Publ. Inc., NY, USA, 1957.

2

H. S. M. Coxeter, Non-Euclidean geometry, Univ. of Toronto, Toronto, 1961.

3

N. J. Hicks, Notes on Differential Geometry, Van Nostrand, 1965.

4

D. Hilbert, Foundations of Geometry, Open Court, La Salle, Ill., USA, 1971.

5

O. Veblen and W. Young, Projective Geometry, 2 vols., Ginn and Co., Blaisdell, USA, 1965.