@article{MZM_2021_109_4_a4,
     author = {N. V. Zaitseva},
     title = {Uniqueness of the {Solution} of a {Nonlocal} {Problem} for an {Elliptic-Hyperbolic} {Equation} with {Singular} {Coefficients}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {544--551},
     publisher = {mathdoc},
     volume = {109},
     number = {4},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2021_109_4_a4/}
}