Markovskij, A. I. Remarks on the \(L_ p\)-\(L_ q\) estimates of solutions of the Klein- Gordon equation. (English. Russian original) Zbl 0787.35081 Ukr. Math. J. 44, No. 2, 205-214 (1992); translation from Ukr. Mat. Zh. 44, No. 2, 233-245 (1992). MSC: 35Q40 35B30 35L15 PDFBibTeX XMLCite \textit{A. I. Markovskij}, Ukr. Math. J. 44, No. 2, 205--214 (1992; Zbl 0787.35081); translation from Ukr. Mat. Zh. 44, No. 2, 233--245 (1992) Full Text: DOI
Markovskij, A. I. Remarks on \(L_ p-L_ q\) estimates of the solutions of the Klein-Gordon equation. (Russian) Zbl 0756.35072 Ukr. Mat. Zh. 44, No. 2, 233-245 (1992). Reviewer: L.Pastur (Khar’kov) MSC: 35Q40 35B30 35L15 PDFBibTeX XMLCite \textit{A. I. Markovskij}, Ukr. Mat. Zh. 44, No. 2, 233--245 (1992; Zbl 0756.35072)
Saks, R. S. Weakly elliptic systems of differential equations and their properties. (Russian) Zbl 0464.35040 Tr. Semin. S. L. Soboleva 1, 91-118 (1979). MSC: 35J60 35J65 65H10 PDFBibTeX XML