@article{zu227835, title = {???????? ???????? ??????????? ? ??? ????????}, author = {?. ?. ??????? and ?. ?. ????????}, year = {2018}, pages = {106--109}, journal = {?????? ??? ????????: ???????? ???????????, ??????????????? ?? ??????????? ? ????????? ????????????????? ????????}, url = {http://eprints.zu.edu.ua/27835/} }