Ekeland's variational principle and Caristi's coincidence theorem for set-valued mappings in probabilistic metric spaces
1993 ◽
Vol 14
(7)
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pp. 607-614
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1996 ◽
Vol 79
(2)
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pp. 239-250
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2009 ◽
Vol 230
(2)
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pp. 477-484
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2015 ◽
Vol 184
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pp. 54-60
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2010 ◽
Vol 49
(3)
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pp. 381-396
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1991 ◽
Vol 7
(3)
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pp. 217-228
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2007 ◽
Vol 23
(1)
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pp. 141-148
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2006 ◽
Vol 323
(1)
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pp. 360-370
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2015 ◽
Vol 9
(1)
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pp. 257-262
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