Piskunov, N. S. Differential and integral calculus / by N. Piskunov ; translated by George Yankovsky. - 2nd ed. - Moscow : MIR Publishers, 1974. - 2 v. : Translated from Russian language. ISBN: BK2600 Subjects--Topical Terms: Differential calculus.-- Dewey Class. No.: 515.33 / Di,2