TY - BOOK AU - Frazer, R.A. AU - Duncan, W.J. AU - Collar, A.R. TI - Elementary matrices and some applications to dynamics and differential equations U1 - 512.896 PY - 1938///, r1957 CY - London PB - Syndics of the Cambridge University Press KW - MATRICS KW - DIFFERANTIAL EQUATIONS ER -