Shtokalo, I. Z. Operational calculus / I.Z. Shtokalo ; translated from the Russian by V. Kumar ; translation editor, I.N. Sneddon. - Delhi : Hindustan Pub., 1976. - xi, 333 p. ; ISBN: 589 Subjects--Topical Terms: Operational calculus. Dewey Class. No.: 515.72 / Op