00857nam a2200253 i 450099100076942970753620020503202000.0990309s1980 it ||| | ita b1012634x-39ule_instLE02521956ExLFac. Economiaita512.7Lipschutz, Seymour1221Teoria degli insiemi /Seymour Lipschutz[Milano] :Etas libri,1980235 p. ;27 cmCollana Schaum.Teoria e problemi ;42Insiemi.b1012634x17-02-1727-06-02991000769429707536LE025 ECO 512 LIP01.0212025000056145le025-E0.00-l- 01010.i1014846227-06-02Teoria degli insiemi74521UNISALENTOle02501-01-99ma -itait 01