000 00430nam a22001577a 4500
005 20250407110747.0
008 250407b |||||||| |||| 00| 0 eng d
020 _a9810228473
041 _aeng
082 _a539.725
_bYAN/P
100 _aYan Song Y.
245 _aPerfect,Amicable and Sociable Numbers A Computational Approach
_c/ by Song Y.Yan
260 _aHong Kong
_bWorld Scientific
_c1996
300 _a338p.
942 _cBK
999 _c35768
_d35768