Puzzle of the century

Composed by Frédéric Lazard, White to WIN. (This puzzle is hard, so try your best. It takes Stockfish at least 5 minutes to find the win)

Everything I got from this puzzle was from this video:

https://www.youtube.com/watch?v=PH_Fw3Jiq-8&index=18&list=PLQsLDm9Rq9bHvcSe573ZzdNjLkwyPoMP2