@article{PA_2018_7_3_a4,
     author = {I. A. Kolesnikov},
     title = {On the problem of determining parameters in the {Schwarz} equation},
     journal = {Problemy analiza},
     pages = {50--62},
     publisher = {mathdoc},
     volume = {7},
     number = {3},
     year = {2018},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PA_2018_7_3_a4/}
}