Smagin, S. A. Komplexe Potenzen hypoelliptischer Systeme im \(R^n\). (Russian) Zbl 0346.35029 Mat. Sb., N. Ser. 99(141), 331-341 (1976). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page MSC: 35H10 Hypoelliptic equations PDFBibTeX XMLCite \textit{S. A. Smagin}, Mat. Sb., Nov. Ser. 99(141), 331--341 (1976; Zbl 0346.35029) Full Text: EuDML