000
00267nam a2200121 4500
008
160616s 000 0
245
_a
Theory of graphs
100
_a
Erdos, P
100
_a
Katona, G
500
_a
B13:6 p7K8
942
_c
BK
_2
BK5094
080
_a
519.17 ERD
999
_c
5094
_d
5094