Du, Xinhua A note on Olevski’s formula for self-adjoint hyperbolic equations of the second order. (English) Zbl 0497.35052 Kexue Tongbao, Foreign. Lang. Ed. 26, 869-873 (1981). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 ReviewCited in 1 Document MSC: 35L10 Second-order hyperbolic equations 47B25 Linear symmetric and selfadjoint operators (unbounded) Keywords:Olevski’s formula; self-adjoint hyperbolic equations of the second order; Riemann functions; Euler-Poisson equation Citations:Zbl 0019.25806; Zbl 0048.075 PDFBibTeX XMLCite \textit{X. Du}, Kexue Tongbao, Sci. Bull. 26, 869--873 (1981; Zbl 0497.35052)