@article{zu243603, number = {90}, title = {?????? ??????????? ????? ? ????????? ??????????? ????? ?????? ?????????? ?????????}, author = {?. ?. ????????}, publisher = {Mi{\k e}dzynarodowa Akademia Nauk Stosowanych w {\L}om{\.z}y}, year = {2023}, pages = {283--296}, journal = {Zeszyty Naukowe}, url = {http://eprints.zu.edu.ua/43603/} }