@article{DAN_1965_163_5_a0,
     author = {\'E. B. Bykhovskii},
     title = {Absence in $C$, $L_p$ and $W_p^1$ ($1\le p<2$) spaces of analogues to energy inequality for the string equation with a bounded leading coefficient},
     journal = {Doklady Akademii Nauk},
     pages = {1047--1049},
     publisher = {mathdoc},
     volume = {163},
     number = {5},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1965_163_5_a0/}
}