Natanson, I. P. (Isidor Pavlovich). Theory of functions of a real variable (Teoria functsiy veshchestvennoy peremennoy) Translated from the Russian by Leo F. Boron. With the editorial collaboration of, and with annotations by Edwin Hewitt. - Rev. ed. - New York, F. Ungar [c1961- Reprint of 1964. LCCN: 61014620 /L/r84 Subjects--Topical Terms: Functions of real variables. LC Class. No.: QA331.5 / .N314 Dewey Class. No.: 517.52