@article{zu223229,
           title = {???????????? ?????????? ????????? ?????????? ?????????? ???????? ? ??????},
          author = {?. ?. ?????? and ?. ?. ???????? and ?. ?. ???????? and ?. ?. ???????? and ?. ?. ??????},
       publisher = {?????},
            year = {1989},
           pages = {55--60},
         journal = {???????????? ????????????},
             url = {http://eprints.zu.edu.ua/23229/}
}