00918nam2-22003131i-450-990000869980403321200010100-8493-4488-3000086998FED01000086998(Aleph)000086998FED0100008699820001010d--------km-y0itay50------baitay-------001yy1 : Symmetries Exact Solutions and Conser-vation Laws.Boca RatonCRC Press19943 v.24 cm0010000840052001CRC HANDBOOK OF LIE GROUP ANALYSIS OF DIFFERENTIAL EQUATIONS515.35Ibragimov,Nail HajrullovicITUNINARICAUNIMARCBK990000869980403321000086998000001FINBNFINBN1 : Symmetries Exact Solutions and Conser-vation Laws355875UNINAING01