@article{zu229711, number = {1(89)}, title = {????????? ??????????? ? ??????????? ?? ??????????? ?????}, author = {?. ?. ????????? and ?. ?. ?????????}, publisher = {???????????? ????????? ??????????? ????? ????? ??????}, year = {2019}, pages = {75--80}, journal = {?????? ????????????? ?????????? ???????????? ????? ????? ??????. ??????????? ?????}, url = {http://eprints.zu.edu.ua/29711/} }