@article{CG_1990___7_41_0,
     author = {Picheral, \'Eric},
     title = {Comment le faire en {LaTeX}},
     journal = {Cahiers GUTenberg},
     pages = {41--43},
     publisher = {Association GUTenberg},
     number = {7},
     year = {1990},
     language = {fr},
     url = {http://www.numdam.org/item/CG_1990___7_41_0/}
}