@article{zu229719, number = {1(89)}, title = {????????????? ????????????? ? ???????? ????????????? ???????????}, author = {?. ?. ??????? and ?. ?. ?????????}, publisher = {???????????? ????????? ??????????? ????? ????? ??????}, year = {2019}, pages = {124--128}, journal = {?????? ????????????? ?????????? ???????????? ????? ????? ??????. ??????????? ?????}, url = {http://eprints.zu.edu.ua/29719/} }