@article{MZM_2020_108_2_a16,
     author = {N. A. Shananin},
     title = {Unique {Continuation} of {Solutions} of {Second-Order} {Quasi-Elliptic} {Equations}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {316--320},
     publisher = {mathdoc},
     volume = {108},
     number = {2},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2020_108_2_a16/}
}