@article{CG_1989___1_61_0,
     author = {Louarn, Philippe},
     title = {ProgrammaTeX},
     journal = {Cahiers GUTenberg},
     pages = {61--63},
     publisher = {Association GUTenberg},
     number = {1},
     year = {1989},
     language = {fr},
     url = {http://www.numdam.org/item/CG_1989___1_61_0/}
}