@article{TM_2023_322_a19,
     author = {A. P. Chugainova and R. R. Polekhina},
     title = {Nonuniqueness of a {Self-similar} {Solution} to the {Riemann} {Problem} for {Elastic} {Waves} in {Media} with a {Negative} {Nonlinearity} {Parameter}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {251--265},
     publisher = {mathdoc},
     volume = {322},
     year = {2023},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_2023_322_a19/}
}