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090 _aQA1.K66 1981c sem
090 _aQA1
111 2 _aKonperensi Matematik Nasional
_n(Ke-4 :
_d1981 :
_cMedan)
_939269
245 1 0 _aProceedings Konperensi Matematik Nasional 7 - 10 September 1981
260 _aMedan
_bUniversitas Sumatera Utara
_c1981
300 _a1v. (various pagings) ; 29 cm.
590 _a2
650 _aMathematics
_vCongresses
907 _a.b11878198
_b2021-05-28
_c2019-11-12
942 _c2
_n0
_kQA1.K66 1981c sem
914 _avtls000194256
990 _amur
991 _aFak Sains Matematik
998 _at
_b1999-05-08
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_y0
_z.b11878198
999 _c189403
_d189403