@article{DAN_1962_146_1_a13,
     author = {A. S. Fokht},
     title = {A boundary estimate for the solution of an equation of elliptic type of arbitrary order with constant coefficients},
     journal = {Doklady Akademii Nauk},
     pages = {50--53},
     year = {1962},
     volume = {146},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1962_146_1_a13/}
}