Kellogg, Oliver Dimon Foundations of potential theory - New York : Dover Publications, ©1954. - ix, 384 p. : ill. (b&w) ; 21.5 cm (Paperback) Includes bibliographical references and index. ISBN: 0486601447 Subjects--Index Terms: Potential theory (Mathematics) Dewey Class. No.: 515.96 / KEL / G