000 00314nam a22001457a 4500
008 180919b xxu||||| |||| 00| 0 eng d
020 _a071670076-X
041 _aeng
080 _22nd
_a51
082 _a51
100 _a36
101 _aMAT
245 _aElementary Number Theory
_cDudley,U
942 _2udc
_cBK
999 _c47990
_d47990