@article{ZNSL_2022_516_a2,
     author = {M. N. Demchenko},
     title = {Asymptotic properties of solutions to a certain ultrahyperbolic equation},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {40--64},
     publisher = {mathdoc},
     volume = {516},
     year = {2022},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2022_516_a2/}
}