@article{KYB_1982__18_4_a4,
     author = {Luk\v{s}an, Ladislav},
     title = {Quasi-Newton methods without projections for unconstrained minimization},
     journal = {Kybernetika},
     pages = {290--306},
     publisher = {mathdoc},
     volume = {18},
     number = {4},
     year = {1982},
     mrnumber = {688368},
     zbl = {0514.65047},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1982__18_4_a4/}
}