@article{UZKU_2019_161_2_a6,
     author = {I. Ya. Zabotin and K. E. Kazaeva},
     title = {A version of the penalty method with approximation of the epigraphs of auxiliary functions},
     journal = {U\v{c}\"enye zapiski Kazanskogo universiteta. Seri\^a Fiziko-matemati\v{c}eskie nauki},
     pages = {263--273},
     publisher = {mathdoc},
     volume = {161},
     number = {2},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZKU_2019_161_2_a6/}
}