Strong solutions to a class of boundary value problems on a mixed Riemannian--Lorentzian metric
1995 ◽
Vol 24
(7)
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pp. 1061-1080
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1962 ◽
Vol 15
(3)
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pp. 237-288
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2002 ◽
Vol 132
(01)
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pp. 121
1988 ◽
Vol 8
(3)
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pp. 239-248
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1981 ◽
Vol 1
(1)
◽
pp. 13-30
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