@unpublished{zu217802,
           title = {?????????? ????????????? ?????? ??? ???????? ?????????? ?????????? ????????? ? ??????? ?????},
          school = {????????????? ?????????????? ???????????},
          author = {?. ?. ???????????},
            year = {1983},
             url = {http://eprints.zu.edu.ua/17802/}
}