Gol’dshtejn, R. V.; Shifrin, E. I. Comparison theorems for a class of pseudodifferential equations and their applications. (English. Russian original) Zbl 0499.35011 Sov. Phys., Dokl. 27, 119-120 (1982); translation from Dokl. Akad. Nauk SSSR 262, 1113-1116 (1982). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 Document MSC: 35B05 Oscillation, zeros of solutions, mean value theorems, etc. in context of PDEs 35S15 Boundary value problems for PDEs with pseudodifferential operators Keywords:positive solutions; mechanics of a deformable body; crack of normal rupture PDF BibTeX XML Cite \textit{R. V. Gol'dshtejn} and \textit{E. I. Shifrin}, Sov. Phys., Dokl. 27, 119--120 (1982; Zbl 0499.35011); translation from Dokl. Akad. Nauk SSSR 262, 1113--1116 (1982)