On June 7th between 5am and 7am the AMS website will be undergoing routine maintenance and may be unavailable during those hours.
ISSN 1088-9485(online) ISSN 0273-0979(print)
The Waring problem and its generalizations
L. E. Dickson
Bull. Amer. Math. Soc. 42 (1936), 833-842
Full-text PDF Free Access