Sharma, J. N. Partial differential equations for engineers and scientists / by J. N. Sharma and Kehar Singh - 2nd ed. - New Delhi : Narosa Publishing House, 2000. - xiv, 339 p. ; illu. ; 24 cm. Includes bibliographical references and index. ISBN: 9788173198298 (pbk.) Subjects--Topical Terms: Differential equations, Partial. Dewey Class. No.: 515.353 / SHA/P