000 00495nam a2200193Ia 4500
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020 _c
_5.95
040 _aMAIN
041 _aEnglish
082 _a511.322
_bSEL
100 _aSelby, Samuel and Sweet, Leonard
245 0 _aSets relations functions
_b: an introduction
260 _aNew York
_b; Mcgraw-Hill Book
_c, 1963
300 _ax,233p.
650 _aMathematics
650 _aSet Theory
942 _cBK
999 _c109403
_d109403