@article{zu234833, number = {79}, title = {????????????? ?????? ?????, ??????? ????????????? ?? ???????????? ????? ?? ?????????????????? ??????????? ???????????}, author = {?. ?. ??????????? and ?. ?. ????????????? and ?. ?. ???????}, year = {2019}, journal = {??????? ?????????}, url = {http://eprints.zu.edu.ua/34833/} }