ISBN 904815460X books & textbook
Symmetries and Recursion Operators for Classical and Supersymmetric Differential Equations (Mathematics and Its Applications)
Krasil'shchik, I.S. Kersten, P.H.
Springer /2010-12-09 Paperback / 400 Pages
isbn-10: 904815460X / isbn-13: 9789048154609
