000 00469nam a2200157Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a510.7
_bOs82
100 _aSoreng Jan
245 _aPeriods of the sequences generated by some symmetic shift registers
260 _aOslo
_bUniversity
_c1977
440 _aOslo University.Institute of mathematics preprint series : 1977, 14
650 _aMathematics
942 _cBK
999 _c82415
_d82415