Authors
Rzeszow University of Technology, The Faculty of Mathematics and Applied Physics al. Powstańców, Rzeszów, Poland
Anetta Szynal-Liana
Rzeszow University of Technology, The Faculty of Mathematics and Applied Physics al. Powstańców, Rzeszów, Poland
Mirosław Liana
Rzeszow University of Technology, The Faculty of Mathematics and Applied Physics al. Powstańców, Rzeszów, Poland