Combinatorica`
Combinatorica`
GraphDifference
As of Version 10, most of the functionality of the Combinatorica package is built into the Wolfram System. »
GraphDifference[g,h]
constructs the graph resulting from subtracting the edges of graph 
from the edges of graph 
.
Details and Options
- GraphDifference functionality is now available in the built-in Wolfram Language function GraphDifference.
- To use GraphDifference, you first need to load the Combinatorica Package using Needs["Combinatorica`"].
Wolfram Research (2012), GraphDifference, Wolfram Language function, https://reference.wolfram.com/language/Combinatorica/ref/GraphDifference.html.
Text
Wolfram Research (2012), GraphDifference, Wolfram Language function, https://reference.wolfram.com/language/Combinatorica/ref/GraphDifference.html.
CMS
Wolfram Language. 2012. "GraphDifference." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/Combinatorica/ref/GraphDifference.html.
APA
Wolfram Language. (2012). GraphDifference. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/Combinatorica/ref/GraphDifference.html