@article{zu231398, title = {???????????? ????????????? ??????? ??? ???????? ???????? ? 6-?? ?????}, author = {?. ?. ???????? and ?. ?. ?????????????? and ?. ?. ??????????}, publisher = {?.?.??????}, year = {2020}, pages = {481--483}, journal = {?????????? ??????????? - 2020}, url = {http://eprints.zu.edu.ua/31398/} }