000 00245 a2200109 4500
020 _a9789388140355
100 _aKISHAN, HARI
245 _aNUMBER THEORY
250 _a13
260 _bKRISHNA PRAKASHAN MEDIA (P) LTD., MEERUT
_c2020
942 _cBK
999 _c89192
_d89192