@article{zu229247, number = {6(183)}, title = {???????????? ?????? ? ????????????-??????? ?????????? ?????????-?????????}, author = {?. ?. ????? and ?. ?. ?????????}, publisher = {???????. ????}, year = {2018}, pages = {84--88}, journal = {????? ????????? ????????}, url = {http://eprints.zu.edu.ua/29247/} }