00426nam a2200181Ia 4500003000400000005001700004008004100021020001800062040000700080041000800087082002100095100002200116245003000138250000600168260003800174300001900212365001300231OSt20230427115810.0210423s2012    xx            000 0 und d  a9781259025761  cAL  aeng  a512.7 223bBURD  aBURTON (David M).  aElementary number theory.  a7  aNew DelhibTata McGraw-hillc2012  axii,436,ivbPB  b425cINR