00281nam a2200121Ia 45000030006000000080041000060400015000471000017000622450042000792600009001215460012001300050017001420STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aBrumberg, A.  aProblems of January- February Vol- XV  c1967  aEnglish20220125165437.0