@article{zu21971,
          number = {13},
           title = {?? ???????? ?????????? ???????? ?????? ?????},
          author = {?. ?. ????????????},
       publisher = {???-?? ??? ??. ?.??????},
            year = {2003},
           pages = {230--232},
         journal = {?????? ????????????? ?????????? ???????????? ????? ????? ??????},
             url = {http://eprints.zu.edu.ua/1971/},
        abstract = {? ?????? ????????????? ???????? ?????????? ???????? ?????? ?????, ???????????? ??????? ??????, ???????????? ??????? ??????? ????? ????????.}
}