Martin, G. E.
The Foundations of Geometry and the Non-Euclidean Plane - New York Springer 1982 - xvi, 507p. - Undergraduate Texts in Mathematics .
978-0-387-90694-2
The Foundations of Geometry and the Non-Euclidean Plane - New York Springer 1982 - xvi, 507p. - Undergraduate Texts in Mathematics .
978-0-387-90694-2