Lieberstein, H. Melvin Theory of partial differential equations / [by] H. Melvin Lieberstein. - xiv, 283 pages : illustrations ; 24 cm - Mathematics in science and engineering ; volume 93 . Includes bibliographical references. ISBN: 0124495508 Subjects--Topical Terms: Differential equations, Partial LC Class. No.: QA374 / .L543 1972