@article{DE_1984_20_4_a12,
     author = {A. S. Fokht},
     title = {Estimate of the derivative of a harmonic function and weighted imbedding theorems connected with it},
     journal = {Differencialʹnye uravneni\^a},
     pages = {659--666},
     publisher = {mathdoc},
     volume = {20},
     number = {4},
     year = {1984},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1984_20_4_a12/}
}