00298nam a2200109Ia 4500008004100000040001700041041001200058082001500070100002200085245003400107260004700141230917s9999||||xx |||||||||||||| ||und||  e126579aMAIN  aEnglish  a512.7 S72I  aShockley, James E 0aIntroduction to number theory  aNew YorkbHolt, Rinehart and Winstonc1967