Floquet representation of solutions of linear hypoelliptic systems of partial differential equations
1979 ◽
Vol 13
(1)
◽
pp. 59-60
◽
1987 ◽
Vol 8
(3-4)
◽
pp. 181-193
2007 ◽
pp. 1-21
1996 ◽
Vol 30
(1)
◽
pp. 69-76
1996 ◽
Vol 28
(3)
◽
pp. 219-226
1982 ◽
Vol 108
(1)
◽
pp. 159-166
◽