Van der Pol, Balth, 1889-1959 Operational calculus based on the two-sided Laplace integral / by Balth Van der Pol and H. Bremmer - 2nd ed. - Cambridge : University Press, 1959 - 415 p. : ill. ; 26 cm. Includes index ISBN: Rs. 72.00 Subjects--Topical Terms: Calculus, Operational Dewey Class. No.: 517.7