Hsieh, P. F. Analytic Theory of Differential Equations / Edited by P. F. Hsieh & A. W. J. Stoddart - New york: Springer Verlag, 1971. - vi, 225p. - Lectures Notes in Mathematics (Vol-183) . ISBN: 3540053697 Dewey Class. No.: 517.38 / HIS/A