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
Toshio Niwa "A geometrical method for optimal control problem for some non-linear systems," Proceedings of the Japan Academy, Proc. Japan Acad. 47(3), 244-248, (1971)
