ELLIPTIC OPERATORS OF HIGHER ORDER IN DIVERGENCE FORM
1968 ◽
Vol 59
(4)
◽
pp. 1067-1067
Keyword(s):
1999 ◽
Vol 125
(1)
◽
pp. 105-111
◽
2008 ◽
Vol 244
(9)
◽
pp. 2404-2405
◽
Keyword(s):
2000 ◽
Vol 177
(2)
◽
pp. 310-364
◽
Keyword(s):
2006 ◽
Vol 230
(1)
◽
pp. 174-195
◽
2002 ◽
Vol 15
(2)
◽
Keyword(s):
1994 ◽
Vol 50
(1)
◽
pp. 157-169
◽
1996 ◽
Vol 138
(2)
◽
pp. 502-543
◽