Guter, R. S., Kudriavtsev, L. D., & Levitan, B. M. (1966). Elements of the theory of functions ([1st English ed.].). Pergamon Press.
Chicago Style (17th ed.) CitationGuter, R. S., Lev Dmitrievich Kudriavtsev, and B. M. Levitan. Elements of the Theory of Functions. [1st English ed.]. Oxford, New York: Pergamon Press, 1966.
MLA (8th ed.) CitationGuter, R. S., et al. Elements of the Theory of Functions. [1st English ed.]. Pergamon Press, 1966.
Warning: These citations may not always be 100% accurate.