LEADER 00000nam  2200000 i 4500 
001     76046738  
008    960416s1977    us      rb    001   eng   
010    76046738 //r92 
020    0262680280 
040    DLC|cDLC|dDLC|dES-ZaU 
100 1  Roberts, Joe 
245 10 Elementary number theory :|ba problem oriented approach /
       |cJoe Roberts 
260    Cambridge, Mass :|bMIT Press,|ccop. 1977 
300    vi, 271, 375 p. ;|c23 cm 
500    Índices 
504    Bibliografía: p. [357]-368 
650 00 Number theory|xProblems, exercises, etc