000
00270nam a2200121 a 4500
003
EIA
001
4010
942
_0
2
_2
ddc
_c
BK
245
_a
Theory and problem of general topology
260
_c
c1965
008
141112s1965 ck r 000 u spa d
082
_a
514
_b
L56
999
_c
13171
_d
13171