@article{M2AN_1967__1_1_3_0,
     author = {Sibony, Mo{\"\i}se},
     title = {Sur certains op\'erateurs quasi-elliptiques stationnaire et d'\'evolution},
     journal = {Revue fran\c{c}aise d'informatique et de recherche op\'erationnelle},
     pages = {3--34},
     publisher = {Dunod},
     address = {Paris},
     volume = {1},
     number = {1},
     year = {1967},
     mrnumber = {223771},
     zbl = {0156.33604},
     language = {fr},
     url = {http://archive.numdam.org/item/M2AN_1967__1_1_3_0/}
}