@article{DE_1981_17_1_a9,
     author = {V. V. Kibirev},
     title = {A boundary value problem for a system of harmonic functions},
     journal = {Differencialʹnye uravneni\^a},
     pages = {73--80},
     publisher = {mathdoc},
     volume = {17},
     number = {1},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1981_17_1_a9/}
}