A class of boundary problems for extremal surfaces of mixed type in Minkowski 3-space.
1988 ◽
Vol 1988
(385)
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pp. 195-202
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Keyword(s):
2003 ◽
Vol 16
(3)
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pp. 461-494
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Keyword(s):
1979 ◽
Vol 34
(6)
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pp. 554-557
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Keyword(s):