@article{702804,
     title = {Variationally-derived limited-memory methods for unconstrained optimization},
     booktitle = {Programs and Algorithms of Numerical Mathematics},
     series = {GDML\_Books},
     publisher = {Institute of Mathematics AS CR},
     address = {Prague},
     year = {2004},
     pages = {273-278},
     url = {http://dml.mathdoc.fr/item/702804}
}

Vlček, Jan; Lukšan, Ladislav. Variationally-derived limited-memory methods for unconstrained optimization, dans Programs and Algorithms of Numerical Mathematics, GDML_Books,  (2004), pp. 273-278. http://gdmltest.u-ga.fr/item/702804/