@article{IM2_1977_11_2_a11,
     author = {B. P. Kufarev},
     title = {Potentials and correspondence of boundaries},
     journal = {Izvestiya. Mathematics},
     pages = {417--439},
     year = {1977},
     volume = {11},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1977_11_2_a11/}
}