@article{DAN_1988_298_5_a6,
     author = {\`E. I. Kucherenko},
     title = {Convergence of the {Bogolyubov{\textendash}Galerkin} method for a boundary value problem of a nonlinear polyharmonic equation},
     journal = {Doklady Akademii Nauk},
     pages = {1060--1063},
     year = {1988},
     volume = {298},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1988_298_5_a6/}
}