Han, Qing, Elliptic partial differential equations / Qing Han, Fanghua Lin. - New York, N.Y. : Courant Institute of Mathematical Sciences ; c2011. - ix, 147 p. : ISBN: 9780821853139 ( pbk. : alk. paper) Subjects--Topical Terms: Differential equations, Elliptic. Dewey Class. No.: 515.3533 / El