000
00265nam a22000977a 4500
008
131216b xxu||||| |||| 00| 0 eng d
100
_a
Furstenberg .
_9
4790
245
_a
Reccurrence in ergodic theory & combinatorial /
_c
Furstenberg .
300
_a
.
942
_2
ddc
_c
BK
999
_c
39358
_d
39358