@article{zu217707,
          volume = {34},
          number = {7},
           title = {?????? N-????-?????-?-?????????????-?-????????????????},
          author = {?. ?. ?????????? and ?. ?. ????????? and ?. ?. ??????? and ?. ?. ???????? and ?. ?. ??????????},
            year = {1998},
           pages = {1012--1015},
         journal = {?????? ???????????? ?????},
             url = {http://eprints.zu.edu.ua/17707/}
}