Kohn, J. J. Pseudo-differential operators and hypoellipticity. (English) Zbl 0262.35007 Partial diff. Equ., Berkeley 1971, Proc. Sympos. Pure Math. 23, 61-69 (1973). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 4 ReviewsCited in 48 Documents MSC: 35H10 Hypoelliptic equations 35S05 Pseudodifferential operators as generalizations of partial differential operators 58J40 Pseudodifferential and Fourier integral operators on manifolds × Cite Format Result Cite Review PDF