Publisher
American Mathematical Society (AMS)
Reference2 articles.
1. C. B. Biezeno and R. Grammel, Technische Dynamik, 1st ed., Springer, Berlin, 1939, p. 986
2. Th. Kármán and M. Biot, Mathematical methods in engineering, 1st ed., McGraw-Hill. New York 1940, Chap. 11, Sect., 6