@article{MZM_2019_105_5_a13,
     author = {S. S. Mirzoyev and A. T. Gazilova},
     title = {On the {Completeness} of a {Part} of {Root} {Vectors} for a {Class} of {Third-Order} {Quasi-Elliptic} {Operator} {Pencils}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {801--804},
     publisher = {mathdoc},
     volume = {105},
     number = {5},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2019_105_5_a13/}
}