%0 Journal Article %A A. I. Markovskiǐ %T $L_p$-estimates for the solutions of an equation that is close to the wave equation %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1987 %P 67-71 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1987_9_a8/ %G ru %F IVM_1987_9_a8