@article{PDML_1979__16_3-4_1_0,
     author = {Mouloud, N.},
     title = {Quelques hypoth\`eses sur la porte des notions op\'eratoires dans les langues naturelles et techniques},
     journal = {Publications du D\'epartement de math\'ematiques (Lyon)},
     pages = {1--11},
     publisher = {Universit\'e Claude Bernard - Lyon 1},
     volume = {16},
     number = {3-4},
     year = {1979},
     mrnumber = {602648},
     language = {fr},
     url = {http://archive.numdam.org/item/PDML_1979__16_3-4_1_0/}
}