Is there a way to find which MO questions/answers point to which others? Every once in a while, an old question of mine (e.g., "$C^1$ isometric embedding of flat torus into $\mathbb{R}^3$"--approaching 5 yrs old) sees...--prophetes.ai

Is there a way to find which MO questions/answers point to which others? Every once in a while, an old question of mine (e.g., "$C^1$ isometric embedding of flat torus into $\mathbb{R}^3$"--approaching 5 yrs old) sees a minor flurry of votes. I presume this is because some other MO question (or MSE, or MESE, or ...) cited it. > _Q_. Is there a way to find which StackExchange questions point to one particular question/answer? Perhaps there is a general mechanism to list which web pages point to one particular web page?

This Google search

* site:mathoverflow.net OR site:math.stackexchange.com mathoverflow.net/questions/31222 OR mathoverflow.net/q/31222

produces a list of posts on MathOverflow and Math.SE containing links to the question you mention. Actually you don't need both the "q" and "questions" form for the final search term, since in fact all the links provided happen to use "questions". But if you want to use this method for other questions, this may not be the case.