@article{zu26117,
          volume = {19},
           title = {?.?. ????????????? ? ????????????? ????????-?????????? ?????????? (20-?? ???? ?? ??): ??????? ???????? ??????????? ??????????},
          author = {???? ???????},
       publisher = {???????},
            year = {1999},
           pages = {137--139},
         journal = {???????????? ????? ? ????????? ??????? ???????.???????? ??????? "?????? ??????"},
             url = {http://eprints.zu.edu.ua/6117/}
}