Existence and regularity of weak solutions to the Dirichletproblem for semilinear elliptic systems of higher order.
1979 ◽
Vol 1979
(306)
◽
pp. 192-207
◽
2001 ◽
Vol 20
(2)
◽
pp. 315-330
◽
2014 ◽
Vol 29
(1)
◽
pp. 37-50