Persson, Ulf, 1950- On degenerations of algebraic surfaces / Ulf Persson. - 1 online resource (163 pages) : illustrations. - Memoirs of the American Mathematical Society ; number 189 . - Memoirs of the American Mathematical Society ; no. 189. . Includes bibliographical references and index. ISBN: 9781470401030 (e-book) Subjects--Topical Terms: Surfaces, Algebraic--Degenerations. Index Terms--Genre/Form: Electronic books. LC Class. No.: QA571 / .P47 1977 Dewey Class. No.: 512/.33