00417nam a2200181Ia 4500008004000000020001500040041000800055082001500063100002000078245003400098260004300132300001000175650001100185650001100196650000700207650001000214650001100224210210b2004   xxu||||| |||| 00| 0 eng d  a8186299653  aeng  a512.7 CHOF  aCHOWDHURY (K C)  aFirst course in number theory  aNew DelhibAsian Books Pvt. Ltd.c2004  ax,306  atheory  anumber  ain  aFirst  acourse