Exact spectral asymptotics for the Laplace - Beltrami operator in the case of general elliptic boundary conditions
1981 ◽
Vol 15
(1)
◽
pp. 59-60
◽
1970 ◽
Vol 12
(2)
◽
pp. 177-212
◽
1970 ◽
Vol 21
(3)
◽
pp. 343-349
◽
1972 ◽
Vol 23
(6)
◽
pp. 630-634
◽
1989 ◽
Vol 23
(2)
◽
pp. 137-139
◽
On the existence, uniqueness and regularity of solutions to general elliptic boundary-value problems
1974 ◽
Vol 15
(2)
◽
pp. 213-246
◽
1982 ◽
Vol 34
(2)
◽
pp. 195-197
◽