TY - BOOK AU - Steeb,Willi-Hans TI - Continuous symmetries lie algebras, differential equations and computer algebra SN - 9810228910 U1 - 515.35 STE PY - 1996///. CY - Singapore : PB - World Scientific, KW - Symmetries KW - Lie algebras KW - Differential equations N1 - Includes index and bibliographical reference ER -