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Leonhard_Euler Sách tham khảoLiên quan
Leonhard Euler Leonhard von Blumenthal Léon H. Dupriez Leonardo DiCaprio Leonardo da Vinci Leonid Ilyich Brezhnev Leon Goretzka Leonardo Bonucci Leonor de Borbón Leonor của CastillaTài liệu tham khảo
WikiPedia: Leonhard_Euler //nla.gov.au/anbd.aut-an35069249 http://www.hls-dhs-dss.ch/textes/f/F018751.php http://www.17centurymaths.com/contents/euler/e002t... http://ahdictionary.com/word/search.html?q=Euler,+... http://www.bookofdaystales.com/euler http://www.britannica.com/EBchecked/topic/195201 http://www.sciencedirect.com/science/article/pii/S... http://www.stephenwolfram.com/publications/mathema... http://mathworld.wolfram.com/EulerAngles.html http://mathworld.wolfram.com/EulerBrick.html