@article{zu236085, number = {2(42)}, title = {?????? ???????? ??????????????? ???????????? ?????? 18?20 ?????}, author = {?. ?. ?????? and ?. ???????????? and ?. ?. ?????????}, year = {2018}, pages = {86--90}, journal = {????????????????, ???????????????????????????????????????????}, url = {http://eprints.zu.edu.ua/36085/} }