On the Gauss map of ruled surfaces in a 3-dimensional minkowski space
1995 ◽
Vol 19
(2)
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pp. 285-304
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1995 ◽
Vol 19
(2)
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pp. 351-367
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2019 ◽
Vol 40
(2)
◽
pp. 217-226
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2012 ◽
Vol 385
(1)
◽
pp. 208-220
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