00303nam a2200121Ia 45000030006000000080041000060400015000471000024000622450043000862600023001295460012001520050017001640STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aBers Lipman; Others  aPartial differential equations vol III  bIntersciencec1964  aEnglish20220125165944.0