@article{DAN_1994_334_3_a7,
     author = {H. D. Orudzhev},
     title = {On the solvability of boundary value problems for an abstract polyharmonic equation},
     journal = {Doklady Akademii Nauk},
     pages = {281--283},
     publisher = {mathdoc},
     volume = {334},
     number = {3},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1994_334_3_a7/}
}