@article{CMFD_2019_65_4_a6,
     author = {V. V. Liiko and A. L. Skubachevskii},
     title = {Strongly elliptic differential-difference equations with mixed boundary conditions in a cylindric domain},
     journal = {Contemporary Mathematics. Fundamental Directions},
     pages = {635--654},
     publisher = {mathdoc},
     volume = {65},
     number = {4},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CMFD_2019_65_4_a6/}
}