Giaquinta, Mariano An introduction to the regularity theory for elliptic systems,harmonic maps and minimal graphs / Mariano Giaquinta and Luca Martinazzi. - 2nd ed. - paris : Edizioni Della Normale, 2012. - ix, 366 p. : ill. ; 24 cm. Includes bibliographical reference and index. ISBN: 9788876424427 Subjects--Topical Terms: Mathematics. Dewey Class. No.: 515.9 / GII