@article{IVM_1990_12_a1,
     author = {V. V. Andrievskii},
     title = {Contour-solid properties of harmonic functions},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {13--21},
     publisher = {mathdoc},
     number = {12},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1990_12_a1/}
}