On regular and parabolic systems of partial differential equations
1990 ◽
Vol 20
(3)
◽
pp. 53-62
◽
1966 ◽
Vol 6
(5)
◽
pp. 195-204
1958 ◽
Vol 7
(3)
◽
pp. 393-417
◽
1958 ◽
Vol 7
(1)
◽
pp. 43-59
◽
2002 ◽
pp. 93-278
◽
1967 ◽
pp. 243-274
◽
1971 ◽
Vol 24
(6)
◽
pp. 763-788
◽