{"type":"rich","version":"1.0","title":"Identité d'Euler","html":"<span class=\"wb-embed wb-embed-math\" data-latex=\"e^{i\\pi} + 1 = 0\">e^{i\\pi} + 1 = 0</span><footer><cite class=\"wb-embed-author\">Ada Lovelace</cite></footer>","width":640,"height":320}