Proceedings of TPHOLs 2007, the 20th International Conference on Theorem Proving in Higher Order Logics. Springer LNCS vol. 4732, pp. 102-118, 2007.

@INPROCEEDINGS{harrison-sos, author = "John Harrison", title = "Verifying nonlinear real formulas via sums of squares", editor = "Klaus Schneider and Jens Brandt", booktitle = "Proceedings of the 20th International Conference on Theorem Proving in Higher Order Logics, TPHOLs 2007", address = "Kaiserslautern, Germany", year = 2007, publisher = "Springer-Verlag", series = "Lecture Notes in Computer Science", volume = 4732, pages = "102--118"}