000
00274nam a2200109 4500
008
160616s 000 0
245
_a
Introduction to the construction of class fields
100
_a
Cohn, Harvey
500
_a
B13 M53
942
_c
BK
_2
BK2481
_0
1
080
_a
511 COH
999
_c
2481
_d
2481