@article{KYB_1991__27_2_a5,
     author = {Dost\'al, Zden\v{e}k},
     title = {On the penalty approximation of quadratic programming problem},
     journal = {Kybernetika},
     pages = {151--154},
     publisher = {mathdoc},
     volume = {27},
     number = {2},
     year = {1991},
     mrnumber = {1106785},
     zbl = {0728.90066},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1991__27_2_a5/}
}