@incollection{zu26447,
       booktitle = {????????. ???????. ??????},
           title = {????????????? ????????? ???????? ??????},
          author = {?. ?. ????},
         address = {?? ????. ???????? ?????????},
       publisher = {??????? ?????},
            year = {1991},
           pages = {170--190},
             url = {http://eprints.zu.edu.ua/6447/}
}