The boundary value problems for non-linear elliptic equations and the maximum principle for Euler-Lagrange equations
1986 ◽
Vol 93
(3)
◽
pp. 271-300
◽
1996 ◽
Vol 127
(1)
◽
pp. 263-294
◽
2009 ◽
Vol 10
(3)
◽
pp. 1912-1922
◽
2012 ◽
Vol 76
(3)
◽
pp. 284-292
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