@article{MZM_1980_27_1_a12,
     author = {V. P. Mikhailov},
     title = {Boundary properties of solutions of elliptic equations},
     journal = {Matemati\v{c}eskie zametki},
     pages = {137--145},
     year = {1980},
     volume = {27},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1980_27_1_a12/}
}