@article{KYB_1986__22_1_a2,
     author = {Luk\v{s}an, Ladislav},
     title = {Conjugate direction algorithms for extended conic functions},
     journal = {Kybernetika},
     pages = {31--46},
     publisher = {mathdoc},
     volume = {22},
     number = {1},
     year = {1986},
     mrnumber = {839343},
     zbl = {0597.65059},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1986__22_1_a2/}
}