@book{zu218743,
          number = {6},
          editor = {?. ?. ??????},
           title = {??????????? ???????????????? ??????},
         address = {???????},
       publisher = {???????????? ????????? ??????????? ????? ????? ??????},
            year = {2012},
             url = {http://eprints.zu.edu.ua/18743/}
}