Gripenberg, G. Volterra integral and functional equations G. Gripenberg, S O Londen and O. Staffans - Cambridge Cambridge University Press 1990 - xxii, 701p. - Encyclopedia of Mathematics and its Applications; v 34 . ISBN: 0-521-37289-5 Subjects--Topical Terms: Mathematical FunctionsNASA Thesaurus Universal Decimal Class. No.: 517.9 / GRI