The well-posedness of the cauchy problem for partial differential equations with multiple characteristics
1977 ◽
Vol 2
(3)
◽
pp. 223-249
◽
1969 ◽
Vol 146
◽
pp. 493-493
◽
1975 ◽
Vol 27
(4)
◽
pp. 517-532
1970 ◽
Vol 38
(3)
◽
pp. 178-188
◽
1978 ◽
Vol 27
(1)
◽
pp. 1-18
◽
1962 ◽
Vol 4
(1)
◽
pp. 146-179
1994 ◽
Vol 34
(4)
◽
pp. 404-414
◽
1993 ◽
Vol 45
(9)
◽
pp. 1413-1420
◽