@article{10_21136_CMJ_1973_101184,
     author = {Kop\'a\v{c}ek, Ji\v{r}{\'\i}},
     title = {On $L_p$-estimates for hyperbolic systems},
     journal = {Czechoslovak Mathematical Journal},
     pages = {419--436},
     publisher = {mathdoc},
     volume = {23},
     number = {3},
     year = {1973},
     doi = {10.21136/CMJ.1973.101184},
     mrnumber = {0316904},
     zbl = {0268.35063},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/articles/10.21136/CMJ.1973.101184/}
}