@article{DAN_1967_173_3_a0,
     author = {A. D. Aleksandrov},
     title = {Certain estimates for the derivative of the solution of the {Dirichlet} problem on the boundary},
     journal = {Doklady Akademii Nauk},
     pages = {487--490},
     publisher = {mathdoc},
     volume = {173},
     number = {3},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1967_173_3_a0/}
}