@article{DAN_1983_268_1_a6,
     author = {F. G. Maksudov and V. B. Shakhmurov},
     title = {On the completeness of the system of eigenvectors and associated vectors of nonlocal boundary value problems for quasielliptic partial differential operator equations},
     journal = {Doklady Akademii Nauk},
     pages = {33--35},
     publisher = {mathdoc},
     volume = {268},
     number = {1},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1983_268_1_a6/}
}