@article{MZM_1995_58_3_a17,
     author = {V. R. Mukimov and Ya. T. Sultanaev},
     title = {The deficiency indices of a~symmetric third-order differential operator},
     journal = {Matemati\v{c}eskie zametki},
     pages = {468--471},
     publisher = {mathdoc},
     volume = {58},
     number = {3},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1995_58_3_a17/}
}