Introductory real analysis. / A. N. Kolmogorov [and] S. V. Fomin. Ėlementy teorii funkt︠s︡iĭ i funkt︠s︡ionalʹnogo analiza. English Kolmogorov, A. N. (Andreĭ Nikolaevich), 1903-1987. Fomin, S. V. (Sergeĭ Vasilʹevich), joint author. Functions. Functional analysis. QA331.5 .K613 517.5 KOI Includes index Bibliography: p. 391-392. Englewood Cliffs, N.J., Prentice-Hall [c1970] [c1970] 1970 Text xii, 403 p. : eng eng rus Selected Russian publications in the mathematical sciences