@article{DE_1990_26_2_a10,
     author = {A. V. Aksenov and K. L. Samarov},
     title = {Lorentz-invariant solutions of a pseudodifferential {Schr\"odinger} equation},
     journal = {Differencialʹnye uravneni\^a},
     pages = {268--271},
     publisher = {mathdoc},
     volume = {26},
     number = {2},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1990_26_2_a10/}
}