Coxeter, H. S. M. Projective geometry/ H.S.M. Coxeter. - 2nd ed. - New York: Springer, 2003, c1987. - xii, 162 p.: ill.; 24 cm. Includes bibliographical references (p. 157-158) and index. ISBN: 0387406239 Dewey Class. No.: 516.1 / C879p