Bluman G W Similarity mehtods for differential equations Bluman G W; Cole J D - New York Springer-Verlag 1974 - vii,322p. cm. - Applied Mathematical Sciences. 13 . Bibliography: P 324-326; Appendix: P318-323 ISBN: 0387901078 Source: General Book Subjects--Topical Terms: Equations Dewey Class. No.: B33, L4