<s>
In	O
mathematics	O
,	O
an	O
edge	B-Algorithm
cycle	I-Algorithm
cover	I-Algorithm
(	O
sometimes	O
called	O
simply	O
cycle	O
cover	O
)	O
of	O
a	O
graph	O
is	O
a	O
family	O
of	O
cycles	O
which	O
are	O
subgraphs	O
of	O
G	O
and	O
contain	O
all	O
edges	O
of	O
G	O
.	O
</s>
