00318nam a2200121Ia 45000030006000000080041000060400015000471000042000622450054001042600009001585460012001670050017001790STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aJose Luis Masera; Juan Jorge Schaffer  aLinear differential equations and function spaces  c1966  aEnglish20220125165947.0