Author: Charatonik, Janusz J.

Charatonik, Janusz J.: Homogeneous means and some functional equations. (English). Mathematica Slovaca, vol. 48 (1998), issue 4, pp. 391-398
Charatonik, Janusz J.; Miklos, Stanisław: Local homeomorphisms and related mappings on graphs. (English). Mathematica Slovaca, vol. 34 (1984), issue 4, pp. 411-418

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