Smithies, F. 1912- Integral equations. - Cambridge, UK: University Press, 1958. - 172 p.: illus., 22 cm. - Cambridge tracts in mathematics and mathematical physics; no. 49 . LCCN: 59000131 /L/r84 Nat. Bib. No.: GB58-15734 Subjects--Topical Terms: Integral equations. Dewey Class. No.: 515.45 / S664i