Bitsadze, A. V. On the theory of equations of mixed type. (Russian) Zbl 0213.37301 Differ. Uravn. 6, 3-6 (1970). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page MSC: 35M10 PDEs of mixed type Keywords:partial differential equations of mixed type Citations:Zbl 0247.35085 PDF BibTeX XML Cite \textit{A. V. Bitsadze}, Differ. Uravn. 6, 3--6 (1970; Zbl 0213.37301) OpenURL