Modern operational calculus, with applications in technical mathematics. McLachlan, N. W. (Norman William), 1888- Calculus, Operational. Laplace transformation. QA432 .M33 517 MCM [1970?] ed. published under title: Laplace transforms and their applications to differential equations. "References": p. 212. London, Macmillan, 1948. 1948. 1948 Text xiv, 218 p. eng