Stakgold, Ivar Green's Functions and Boundary Value Problems by Ivar Stakgold and Michael Holst - 3rd ed - Hoboken John Wiley 2011 - xxi, 855p - Pure and Applied Mathematics V.99 . A Wiley Series of Texts Monographs and tracts ISBN: 9780470609705 Dewey Class. No.: 515.35 / P11 (MA)