000 00451nam a2200157Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a510.7
_bOs82
100 _aNormann Dag
245 _aCountable functionals and the analytic hierarchy
260 _aOslo
_bUniversity
_c1977
440 _aOslo University.Institute of mathematics preprint series : 1977, 17
650 _aMathematics
942 _cBK
999 _c80330
_d80330