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Journal of Mathematics and Applications > 2022 > Vol. 45 > 21--58
Bezpieczeństwo Pracy : nauka i praktyka > 2019 > nr 2 > 20-24
Bezpieczeństwo Pracy : nauka i praktyka > 2018 > nr 10 > 6-8
Bezpieczeństwo Pracy : nauka i praktyka > 2018 > nr 10 > 18-20
Journal of Mathematics and Applications > 2018 > Vol. 41 > 123--156
Journal of Mathematics and Applications > 2016 > Vol. 39 > 69--80
Commentationes Mathematicae > 2012 > Vol. 52, [Z] 2 > 153--170
Opuscula Mathematica > 2012 > Vol. 32, no. 1 > 171-178
Demonstratio Mathematica > 2009 > Vol. 42, nr 2 > 339-349
Demonstratio Mathematica > 2008 > Vol. 41, nr 3 > 571-581
Annales Societatis Mathematicae Polonae. Seria 00001: Commentationes... > 2007 > Vol. 47, [Z] 1 > 23-29
Demonstratio Mathematica > 2007 > Vol. 40, nr 1 > 43-50
Journal of Mathematics and Applications > 2007 > Vol. 29 > 109-120
Annales Societatis Mathematicae Polonae. Seria 00001: Commentationes... > 2006 > Vol. 46, [Z] 2 > 255-261
Demonstratio Mathematica > 2006 > Vol. 39, nr 4 > 751-758
Demonstratio Mathematica > 2006 > Vol. 39, nr 4 > 743-750
Demonstratio Mathematica > 2006 > Vol. 39, nr 2 > 401-410
Journal of Mathematics and Applications > 2006 > Vol. 28 > 75-84