@article{zu228922, number = {173}, title = {?????????? ????????????? ???????? ? ??????? ?????????? ?????????? ??????}, author = {?. ?. ??????? and ?. ?. ???????}, publisher = {?????????????: ??? ???? ??. ?.??????????}, year = {2018}, pages = {107--110}, journal = {??????? ???????}, url = {http://eprints.zu.edu.ua/28922/} }