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Journal of Fixed Point Theory and Applications > 2019 > 21 > 1 > 1-14
Bulletin of the Brazilian Mathematical Society, New Series > 2019 > 50 > 3 > 771-786
Discrete & Computational Geometry > 2019 > 61 > 2 > 452-463
Abhandlungen aus dem Mathematischen Seminar der Universität Hamburg > 2017 > 87 > 1 > 105-111
Topology and its Applications > 2016 > 202 > C > 7-20
Mathematica Slovaca > 2011 > 61 > 4 > 653-656
Discrete & Computational Geometry > 2010 > 43 > 2 > 321-338
Journal of Fixed Point Theory and Applications > 2007 > 2 > 1 > 55-72
Bulletin of the Brazilian Mathematical Society, New Series > 2005 > 36 > 2 > 205-224
Mathematical Notes > 2005 > 78 > 5-6 > 649-661
Journal of Algebra > 2004 > 271 > 1 > 295-311
Topology and its Applications > 2002 > 124 > 1 > 69-75
Mathematical Notes > 2001 > 69 > 1-2 > 88-98
Annales Polonici Mathematici > 1993 > 58 > 2 > 177-183