@article{M2AN_1969__3_1_35_0, author = {Polak, E. and Ribiere, G.}, title = {Note sur la convergence de m\'ethodes de directions conjugu\'ees}, journal = {Revue fran\c{c}aise d'informatique et de recherche op\'erationnelle. S\'erie rouge}, pages = {35--43}, publisher = {Dunod}, address = {Paris}, volume = {3}, number = {R1}, year = {1969}, mrnumber = {255025}, zbl = {0174.48001}, language = {fr}, url = {http://archive.numdam.org/item/M2AN_1969__3_1_35_0/} }