@article{PismaZhETF.19.496,
    title = {Evolutionality and width of shock waves},
    author = {Roikhvarger, Z. B.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {19},
    issue = {8},
    pages = {496},
    year = {1974},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27066.shtml},
}