00507nam a2200181Ia 4500 0 0 ddc 0 0 MATHEMATICS MES MES MAT 2019-02-20 15.00 0 512.817 SIG/E 8047 2019-02-20 00:00:00 2019-02-20 BK GL23R3 30584 30584 OSt 20200804145656.0 190216s9999||||xx |||||||||||||| ||und|| 0387901930 oclc 512.817 SIG/E Sigler, L E 3959 Excercises In Set Theory / L E Sigler Narosa Pubs House, 1979. New Delhi: 134p Mathematics BK ddc 512.817 SIG/E 512.817 SIG/E