Gilbarg, David, 1918- Elliptic partial differential equations of second order / David Gilbarg [and] Neil S. Trudinger - Berlin : Springer-Verlag, 1977 - x, 401 p. ; 25 cm. - Grundlehren der mathematischen Wissenschaften ; 224 . Includes bibliographical references and index ISBN: 0387080074 : Rs. 78.00 Subjects--Topical Terms: Differential equations, Elliptic Dewey Class. No.: 517.38