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
E. B. Davies, J. T. Lewis "An operational approach to quantum probability," Communications in Mathematical Physics, Comm. Math. Phys. 17(3), 239-260, (1970)