Widom, Harold, 1932- Lectures on integral equations./ Notes by David Drazin and Anthony J. Tromba. - New York: Van Nostrand Reinhold, [1969]. - iii, 124 p.: 21 cm. - Van Nostrand mathematical studies; 17. . LCCN: 74006130 Nat. Bib. No.: GB70-3438 Subjects--Topical Terms: Integral equations.Functional analysis. Dewey Class. No.: 515.45 / W641l