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@article{RO_1970__4_3_3_0, author = {Ullmo, J.}, title = {La {R.O.} \`a {l'X}}, journal = {RAIRO - Operations Research - Recherche Op\'erationnelle}, pages = {3--4}, publisher = {EDP-Sciences}, volume = {4}, number = {V3}, year = {1970}, language = {fr}, url = {http://geodesic.mathdoc.fr/item/RO_1970__4_3_3_0/} }
Ullmo, J. La R.O. à l'X. RAIRO - Operations Research - Recherche Opérationnelle, Tome 4 (1970) no. V3, pp. 3-4. http://geodesic.mathdoc.fr/item/RO_1970__4_3_3_0/