A Question of Priority Regarding a Fixed Point Theorem in a Cartesian Product of Metric Spaces
Mathematica Moravica, Tome 15 (2011) no. 2.

Voir la notice de l'article dans eLibrary of Mathematical Institute of the Serbian Academy of Sciences and Arts

We prove that a result of Ćirić and Prešić [Acta Math. Univ. Comenianae, 76 (2007), 143-147, Theorem 2, p. 144] has been for the first time proved before 31 years in Tasković [Publ. Inst. Math., 34 (1976), 231-242, Theorem 3, p. 238]. But the authors neglected and ignored this historical fact.
Mots-clés : Kuratowski’s problem, fixed points, Cartesian product, complete metric spaces, Cauchy’s sequence, Banach’s principle of contraction 
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Milan Tasković. A Question of Priority Regarding a Fixed Point Theorem in a Cartesian Product of Metric Spaces. Mathematica Moravica, Tome 15 (2011) no. 2. https://geodesic-test.mathdoc.fr/item/MM3_2011_15_2_a9/