https://scienceetonnante.com/2015/08/21/les-fractions-continues/
https://www.albireo78.com/2014/11/30/la-machine-d-anticyth%C3%A8re/
http://www.irem.univ-bpclermont.fr/IMG/pdf/theme_10_eclipses_Anticythere.pdf
https://webusers.imj-prg.fr/~michel.waldschmidt/articles/pdf/FractionsContinues.pdf
