@article{MZM_2000_67_6_a9,
     author = {O. A. Kovaleva and A. L. Skubachevskii},
     title = {Solvability of nonlocal elliptic problems in weight spaces},
     journal = {Matemati\v{c}eskie zametki},
     pages = {882--898},
     publisher = {mathdoc},
     volume = {67},
     number = {6},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2000_67_6_a9/}
}