Frazer, R. A. <br/><br/>
Elementary matrices and some applications to dynamics and differential equations / 
by R.A. Frazer, W.J. Duncan and A.R. Collar. 
 - Cambridge :  Cambridge University Press,  1938. 
 - xv, 416 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Matrices.