Ruderfer, V. I. A priori estimates for the solution of the Cauchy problem for a partial differential equation and a system of such equations with coefficients which are nonanalytic in the distinguished variable. (English. Russian original) Zbl 0424.35023 Sov. Math., Dokl. 19, 686-689 (1978); translation from Dokl. Akad. Nauk SSSR 240, 782-785 (1978). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page MSC: 35F05 Linear first-order PDEs 35B45 A priori estimates in context of PDEs 35A20 Analyticity in context of PDEs Keywords:a priori estimates; Cauchy problem; uniqueness theorem; nonanalytic coefficients; higher order systems PDFBibTeX XMLCite \textit{V. I. Ruderfer}, Sov. Math., Dokl. 19, 686--689 (1978; Zbl 0424.35023); translation from Dokl. Akad. Nauk SSSR 240, 782--785 (1978)