01147nam0-22003491i-450-9900014381504033210-8218-1958-X000143815FED01000143815(Aleph)000143815FED0100014381520000920d1999----km-y0itay50------baengSYMMETRIES and conservation laws for differential equations of mathematical physicsI. S. Krasil'shchik, A. M. Vinogradov editorsProvidence (RI)American Mathematical Societyc1999Translations of mathematical monographs182Teoria geometricaEquazioni differenzialiSoluzioni numeriche530.15Krasil'shchik,Iosif SemenovichVinogradov,Aleksandr MihailovicITUNINARICAUNIMARCBK990001438150403321C-29-(18216959MA1MA135A3058F0758F05SYMMETRIES and conservation laws for differential equations of mathematical physics374478UNINAING01