00326nam a2200121Ia 4500008004100000040001600041041001200057082001500069100002200084245003400106260004700140300001700187230917s9999||||xx |||||||||||||| ||und||  e20868aMAIN  aEnglish  a512.7 S72I  aShockley, James E 0aIntroduction to number theory  aNew YorkbHolt, Rinchart and Winstonc1967  aviii, 247 p.