Multivalued generalized contractions and fixed point theorems
Shigeru Itoh (1977)
Commentationes Mathematicae Universitatis Carolinae
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Shigeru Itoh (1977)
Commentationes Mathematicae Universitatis Carolinae
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Neubrunn, T., Riečan, B., Riečanová, Z.
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Milan R. Tasković (1978)
Commentationes Mathematicae Universitatis Carolinae
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