00678nam0-22002411i-450-990001223760403321000122376FED01000122376(Aleph)000122376FED0100012237620000920d1957----km-y0itay50------baengCauchy's problem for hyperbolic equationsGarding L.ChicagoUniversity of Chicago Press1957Garding,Lars44852ITUNINARICAUNIMARCBK99000122376040332121-A-122900MA1MA1Cauchy's problem for hyperbolic equations343280UNINAING01