@article{CG_2009___52-53_5_0,
     author = {Soulet, Yves},
     title = {Metapost racont\'e aux pi\'etons},
     journal = {Cahiers GUTenberg},
     pages = {5--117},
     publisher = {Association GUTenberg},
     number = {52-53},
     year = {2009},
     language = {fr},
     url = {http://www.numdam.org/item/CG_2009___52-53_5_0/}
}