@article{zu239416, number = {19}, title = {????????? ??????? ? ?????? ????? ?????? ??????}, author = {?. ?. ??????????}, publisher = {???????: ??? ????? ????? ??????}, year = {2023}, pages = {7--19}, journal = {????????????????? ??????}, url = {http://eprints.zu.edu.ua/39416/} }