Grushin, V. V. Hypoelliptische Differentialgleichungen und Pseudodifferentialoperatoren mit operatorwertigen Symbolen. (Russian) Zbl 0243.35020 Mat. Sb., N. Ser. 88(130), 504-521 (1972). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 ReviewCited in 4 Documents MSC: 35H10 Hypoelliptic equations 35S99 Pseudodifferential operators and other generalizations of partial differential operators PDFBibTeX XMLCite \textit{V. V. Grushin}, Mat. Sb., Nov. Ser. 88(130), 504--521 (1972; Zbl 0243.35020) Full Text: EuDML