@article{SM_1993_74_1_a13,
     author = {M. V. Borsuk},
     title = {Best-possible estimates of solutions of the {Dirichlet} problem for linear elliptic nondivergence equations of second order in a~neighborhood of a~conical point of the boundary},
     journal = {Sbornik. Mathematics},
     pages = {185--201},
     publisher = {mathdoc},
     volume = {74},
     number = {1},
     year = {1993},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1993_74_1_a13/}
}