E. Noether, "Invariante Variationsprobleme,"
Nachr.
v. d. Ges. d. Wiss. zu Göttingen 1918, pp235-257. English translation: M.A. Tavel, Reprinted from "Transport Theory and Statistical Mechanics" 1(3), 183-207 (1971). Provided to this site by M.A. Tavel and Henry M. Paynter. |