Frazer, R. A. 1891- Elementary matrices and some applications to dynamics and differential equations / by R.A. Frazer, W.J. Duncan and A.R. Collar . - Cambridge : The University Press, 1938. [Reprint 1965] - xvi, 416 p. : ill. ; 25 cm. "List of references": p. [399]-401. Subjects--Topical Terms: Matrices.Differential equations, Linear.Dynamics.Aerodynamics. Dewey Class. No.: 512.8 / FRE 1965