@article{MZM_2017_101_5_a0,
     author = {A. M. Akhtyamov},
     title = {On the {Spectrum} of an {Odd-Order} {Differential} {Operator}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {643--646},
     publisher = {mathdoc},
     volume = {101},
     number = {5},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2017_101_5_a0/}
}