Grushin, V. V. Über eine Klasse hypoelliptischer Operatoren. (Russian) Zbl 0211.40503 Mat. Sb., N. Ser. 83(125), 456-473 (1970). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 ReviewCited in 65 Documents MSC: 35H10 Hypoelliptic equations 35R20 Operator partial differential equations (= PDEs on finite-dimensional spaces for abstract space valued functions) 47A50 Equations and inequalities involving linear operators, with vector unknowns Citations:Zbl 0252.35057 × Cite Format Result Cite Review PDF