00328nam a2200145Ia 45000030006000000080041000060400015000471000033000622450037000952500006001322600009001383000006001475460012001530050017001650STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aBencsath, K.A.; Halmos, P.R.  aBerkeley Problems in Mathematics  a3  c2007  a0  aEnglish20220125165958.0