@article{zu29519,
          number = {68},
           title = {????? ??????? ???????????? ? ??????? ?????????? ?????? ?????? ???????},
          author = {?. ?. ?????????},
       publisher = {???-?? ??? ??. ?. ??????, ???????.},
            year = {2013},
           pages = {155--158},
         journal = {?????? ????????????? ?????????? ???????????? ????? ????? ??????},
             url = {http://eprints.zu.edu.ua/9519/},
        abstract = {? ?????? ?????????? ??????????? ???????????? ? ??????? ?????????? ?????? ?????? ???????. ?????????
???? ???????????? ?? ??????? ?? ????????????? ? ?????? ????? ??????????????? ??????? ?????????? ??????
?????? ???????. ?????????? ??????????? ???????????? ?????????? ?? ?????????? ????????? ?????????
?????? ?????? ???????.}
}