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
C. R. Hagen "Galilean invariant Lee model for all spins and parities," Communications in Mathematical Physics, Comm. Math. Phys. 21(3), 219-236, (1971)
