@article{zu241688, number = {22}, title = {????????? ??????????? ? ????????????? ????????}, author = {?. ?. ???????? and ?. ?. ???????? and ?. ?. ????????}, publisher = {????????? ????????? ???????????? ??????????? ????? ????? ??????}, year = {2020}, pages = {70--81}, journal = {???????? ?????????? ????????? ???????}, url = {http://eprints.zu.edu.ua/41688/} }