Analysis of linear systems / David K. Cheng. Linear systems. Cheng, David K. (David Keun), 1917- Linear systems. Differential equations, Linear. Electromechanical analogies. QA808 .C5 519.92 CHA "World student series edition" verso of title page. Includes index. Reading, Mass. : Addison-Wesley, 1959. 1959. 1959 Text xiii, 431 p. : eng The Addison-Wesley series in electrical engineering