@article{zu235548, title = {???????? ?? ???????? ???? ? ????????}, author = {?. ?????? and ?. ?. ?????????? and ?. ????????? and ?. ?. ????????}, year = {2019}, pages = {28--29}, journal = {???????????? ??????????? ? ??????? 2017 ?.}, url = {http://eprints.zu.edu.ua/35548/} }