The University of Warwick Library - WebBridge

Every integer greater than 454 is the sum of at most seven positive cubes
Siksek, Samir.  Algebra & Number Theory.  v. 10. no. 10.   2016-12-09. p. 2093 - 2119... issn: 1944-7833 .   

Online access not found

Sorry - based on the information provided, WebBridge cannot offer appropriate links.