@article{GDZPPN001176412,
title = {A Variable Metric Algorithm for Unconstrained Minimization Without Evaluation of Derivatives.},
journal = {Numerische Mathematik},
volume = {35},
year = {1980},
pages = {359-374},
zbl = {0471.65040},
url = {http://dml.mathdoc.fr/item/GDZPPN001176412}
}
Bräuninger, J. A Variable Metric Algorithm for Unconstrained Minimization Without Evaluation of Derivatives.. Numerische Mathematik, Tome 35 (1980) pp. 359-374. http://gdmltest.u-ga.fr/item/GDZPPN001176412/