@article{zu224707, volume = {1}, month = {????????}, author = {?. ?. ?????}, title = {?????????? ????????????? ?????????????? ? ????????? ???????? ?????? ? ????}, publisher = {??-? ?????????}, journal = {??????? ?????????? ?????????????? ???????-?????????? ??????????? ????????????? ?????????? ? ???????? ???????}, pages = {187--191}, year = {2017}, url = {http://eprints.zu.edu.ua/24707/} }