Tveito Aslak Introduction to partial differential equations A computational approach - Berlin Springer-Verlag 2009 - xv, 392p cm. ISBN: 9783540887041 1769.8099999999999 Source: 618, 23/03/2009, Bharatiya Sahitya Bhavana General Book Subjects--Topical Terms: Economics Dewey Class. No.: B334, P9