000 00405 a2200157 4500
001 2127
090 _a2127
100 _a20170516 frey50
101 0 _aeng
102 _aUS
200 1 _aExercises in set theory.
210 _aPrinceton NJ
_aToronto
_aLondon
_cVan Nostrand
_d1966.
215 _aVI-134 p.
_d20 cm.
225 1 _aVan Nostrand mathematical studies
_v
606 _aLogique
700 1 _aSigler
_bL. E.
_4070
099 _tNC