Petrowsky, I. On the diffusion of waves and the lacunas for hyperbolic equations. (English) Zbl 0061.21309 Mat. Sb., N. Ser. 17(59), 289-370 (1945). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 31 Documents Keywords:partial differential equations, potential theory PDFBibTeX XMLCite \textit{I. Petrowsky}, Mat. Sb., Nov. Ser. 17(59), 289--370 (1945; Zbl 0061.21309) Full Text: EuDML