@article{MZM_2017_101_3_a6,
     author = {A. I. Kozhanov and N. R. Pinigina},
     title = {Boundary-Value {Problems} for {Some} {Higher-Order} {Nonclassical} {Differential} {Equations}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {403--412},
     publisher = {mathdoc},
     volume = {101},
     number = {3},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2017_101_3_a6/}
}