On a Result of W.A. Kirk and L.M. Saliga
Mathematica Moravica, Tome 13 (2009) 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 Kirk and Saliga [J. Comput. Appl. Math., 113 (2000), 141-152, Theorem 4.2., p. 149] has been for the first time proved before 25 years in Tasković [Publ. Inst. Math., 41 (1980), 249-258, Theorem 1, p. 250]. But the authors neglected and ignored this historical fact.
Mots-clés : Fixed points, diametral $\varphi$-contractions, complete metric spaces, nonlinear conditions for fixed points, optimization 
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Milan Tasković. On a Result of W.A. Kirk and L.M. Saliga. Mathematica Moravica, Tome 13 (2009) no. 2. https://geodesic-test.mathdoc.fr/item/MM3_2009_13_2_a5/