@article{CMUC_1978__19_1_a10,
     author = {Mart{\'\i}nez, J. M.},
     title = {On the order of convergence of {Broyden-Gay-Schnabel's} method},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {107--118},
     publisher = {mathdoc},
     volume = {19},
     number = {1},
     year = {1978},
     mrnumber = {0501861},
     zbl = {0383.65029},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1978__19_1_a10/}
}