Journal of Mathematics and Applications vol. 43 (2020)
http://doi.prz.edu.pl/pl/publikacje/jma/9 (opens in new tab)
Journal of Mathematics and Applications vol. 42 (2019)
http://doi.prz.edu.pl/pl/publikacje/jma/8 (opens in new tab)
Journal of Mathematics and Applications vol. 41 (2018)
http://doi.prz.edu.pl/pl/publikacje/jma/7 (opens in new tab)
Journal of Mathematics and Applications vol. 40 (2017)
http://doi.prz.edu.pl/pl/publikacje/jma/6 (opens in new tab)
Journal of Mathematics and Applications vol. 39 (2016)
http://doi.prz.edu.pl/pl/publikacje/jma/5 (opens in new tab)
Journal of Mathematics and Applications vol. 38 (2015)
http://doi.prz.edu.pl/pl/publikacje/jma/4 (opens in new tab)
Journal of Mathematics and Applications vol. 37 (2014)
http://doi.prz.edu.pl/pl/publikacje/jma/3 (opens in new tab)
Journal of Mathematics and Applications vol. 36 (2013)
http://doi.prz.edu.pl/pl/publikacje/jma/2 (opens in new tab)
Journal of Mathematics and Applications vol. 35 (2012)
http://doi.prz.edu.pl/pl/publikacje/jma/1 (opens in new tab)