@article{zu243599, number = {90}, title = {???????????? ?????? ??????????? ?????? ???????? ?????}, author = {?. ?. ???????????}, publisher = {Mi{\k e}dzynarodowa Akademia Nauk Stosowanych w {\L}om{\.z}y}, year = {2023}, pages = {356--366}, journal = {Zeszyty Naukowe}, url = {http://eprints.zu.edu.ua/43599/} }