@incollection{zu215205,
          author = {?. ?. ????????},
          series = {??????????  ???????  ??????  ??  ???????  ????????  ??????????  ?? ???  ???  ??. ?. ??????},
       booktitle = {?? ? ????},
         address = {???????},
           title = {???????????????? ???????????},
       publisher = {???????},
           pages = {9--26},
            year = {2015},
             url = {http://eprints.zu.edu.ua/15205/}
}