On the existence of solutions to a class of minimum time control problems and applications to Fermat's Principle and to the Brachystocrone
2006 ◽
Vol 55
(2)
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pp. 119-123
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2009 ◽
Vol 58
(10-11)
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pp. 742-746
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2021 ◽
Vol 34
(6)
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pp. 2069-2091
2012 ◽
Vol 158
(2)
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pp. 521-553
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1970 ◽
Vol 117
(12)
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pp. 2294
1996 ◽
Vol 28
(3-4)
◽
pp. 28-40
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