@article{M2AN_1970__4_3_135_0,
     author = {Lobry, Claude},
     title = {Br\`eve communication. {Contr\^olabilit\'e} de syst\`emes lin\'eaires par des commandes {Bang-Bang}},
     journal = {Revue fran\c{c}aise d'informatique et de recherche op\'erationnelle. S\'erie rouge},
     pages = {135--140},
     publisher = {Dunod},
     address = {Paris},
     volume = {4},
     number = {R3},
     year = {1970},
     zbl = {0219.93002},
     language = {fr},
     url = {http://archive.numdam.org/item/M2AN_1970__4_3_135_0/}
}