00282nam a2200121Ia 45000030006000000080041000060400015000471000022000622450038000842600009001225460012001310050017001430STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aDemidovich, B. Ed  aProblems in mathematical analysis  c1930  aEnglish20220125165958.0