@article{CHEB_2020_21_2_a23,
     author = {S. M. Saulin},
     title = {On traveling waves in systems of absolutely elastic particles on a straight line},
     journal = {\v{C}eby\v{s}evskij sbornik},
     pages = {341--361},
     publisher = {mathdoc},
     volume = {21},
     number = {2},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CHEB_2020_21_2_a23/}
}