Registered users receive a variety of benefits including the ability to customize email alerts, create favorite journals list, and save searches.
Please note that a Project Euclid web account does not automatically grant access to full-text content. An institutional or society member subscription is required to view non-Open Access content.
Contact customer_support@projecteuclid.org with any questions.
View Project Euclid Privacy Policy
Mark S. Ashbaugh, Rafael D. Benguria "Proof of the Payne-Pólya-Weinberger conjecture," Bulletin (New Series) of the American Mathematical Society, Bull. Amer. Math. Soc. (N.S.) 25(1), 19-29, (July 1991)
