@article{zu228748, number = {5}, title = {??????????? ?????????? ????????? ??????????? ???????? ? ?????? ???}, author = {?. ?. ????????}, publisher = {??? ??. ?. ??????}, year = {2016}, pages = {31--34}, journal = {????????? ???????? ?????????? ?????}, url = {http://eprints.zu.edu.ua/28748/} }