The real projective plane.
Coxeter, H. S. M. 1907-2003.
The real projective plane. - 2nd ed. - Cambridge : CUP, 1955. - 237p. ; 8vo.
Geometry, Projective.
The real projective plane. - 2nd ed. - Cambridge : CUP, 1955. - 237p. ; 8vo.
Geometry, Projective.