ISBN 0821851543 books & textbook
Recent Advances in Real Algebraic Geometry and Quadratic Forms: Proceedings of the Ragsquad Year, Berkeley, 1990-1991 (Contemporary Mathematics, 155)
Lam, Tsit-Yuen AMS Special Session on Real Algebraic Geometry and Quadratic Forms (1991 : San Francisco, Calif.) Jacob, William B. Robson, Robert O.
Amer Mathematical Society /1994-01-01 Paperback / 405 Pages
isbn-10: 0821851543 / isbn-13: 9780821851548