@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)},
     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},
     mrnumber = {51 #375},
     zbl = {0286.10017},
     url = {http://www.numdam.org/articles/10.24033/msmf.139/}
}