@article{PFMT_2020_2_a0,
     author = {M. A. Knyazev},
     title = {One- and two-soliton solutions of the {Korteweg-de} {Vries} equation in various coordinate systems},
     journal = {Problemy fiziki, matematiki i tehniki},
     pages = {7--10},
     publisher = {mathdoc},
     number = {2},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PFMT_2020_2_a0/}
}