Department of Discrete Mathematics and Theoretical Computer Science, Faculty of Mathematics, Computer Science and Econometrics, University of Zielona Góra, ul. prof. Z. Szafrana 4a, 65-516, Zielona Góra, Poland
Sidorowicz Elżbieta
Department of Discrete Mathematics and Theoretical Computer Science, Faculty of Mathematics, Computer Science and Econometrics, University of Zielona Góra, ul. prof. Z. Szafrana 4a, 65-516, Zielona Góra, Poland
