@article{VSPUI_2013_4_a2,
     author = {Yu. P. Laptin},
     title = {On constructing exact penalty functions},
     journal = {Vestnik Sankt-Peterburgskogo universiteta. Prikladna\^a matematika, informatika, processy upravleni\^a},
     pages = {21--31},
     publisher = {mathdoc},
     number = {4},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSPUI_2013_4_a2/}
}