Isidor Pavlovich Natanson (Russian:Исидор Павлович Натансон; February 8, 1906 inZurich – July 3, 1964 inLeningrad) was aSwiss-bornSovietmathematician known for contributions toreal analysis andconstructive function theory, in particular, for his textbooks on these subjects.^[1] His son, Garal'd Natanson (1930–2003), was also a known mathematician.^[2]

• Natanson, I. P. (1955).Theory of functions of a real variable. New York: Frederick Ungar Publishing Co.MR 0067952.^[3][4]
• Konstruktive Funktionentheorie. Berlin: Akademie Verlag. 1955.^[5]
• Natanson, I. P. (1964).Constructive function theory. Vol. I. Uniform approximation. Translated by Alexis N. Obolensky. New York: Frederick Ungar Publishing Co.MR 0196340.Zbl 0133.31101.
• Natanson, I. P. (1965).Constructive function theory. Vol. II. Approximation in mean. New York: Frederick Ungar Publishing Co.MR 0196341.Zbl 0136.36302.
• Natanson, I. P. (1965).Constructive function theory. Vol. III. Interpolation and approximation quadratures. New York: Ungar Publishing Co.MR 0196342.Zbl 0178.39701.

• "Isidor Pavlovich Natanson" (in Russian). St. Petersburg University.
• Isidor Natanson at theMathematics Genealogy Project

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