You can link to specific answer, for example, as
https://math.stackexchange.com/a/955298
or https://math.stackexchange.com/q/955285#955298
or https://math.stackexchange.com/questions/955285/2-connected-graphs-with-a-line-graph-containing-no-hamilton-cycle/955298#955298
. (The link in your post is to the list of all answers ordered by score - depending in voting, it might change which answer is shown at the top. In this case it does not matter - there is only one answer - but I at least mentioned it, in other situations it might be useful for you to know also link to particular answer.) — Martin Sleziak 55 mins ago