Approximations rationnelles de π et quelques autres nombres
Journées arithmétiques (Grenoble, 1973), Mémoires de la Société Mathématique de France, no. 37 (1974), pp. 121-132. 
@incollection{MSMF_1974__37__121_0,
     author = {Mignotte, Maurice},
     title = {Approximations rationnelles de $\pi $ et quelques autres nombres},
     booktitle = {Journ\'ees arithm\'etiques (Grenoble, 1973)},
     author = {Collectif},
     series = {M\'emoires de la Soci\'et\'e Math\'ematique de France},
     pages = {121--132},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {37},
     year = {1974},
     doi = {10.24033/msmf.139},
     zbl = {0286.10017},
     mrnumber = {51 \#375},
     url = {www.numdam.org/item/MSMF_1974__37__121_0/}
}
Mignotte, Maurice. Approximations rationnelles de $\pi $ et quelques autres nombres, dans Journées arithmétiques (Grenoble, 1973), Mémoires de la Société Mathématique de France, no. 37 (1974), pp. 121-132. doi : 10.24033/msmf.139. http://www.numdam.org/item/MSMF_1974__37__121_0/

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