@article{zu211917,
           title = {C???????? ?????????? ???????? ??? ? ?????????? ? 50-? ????? XX ???????? ?? ???????????.},
          author = {????????? ???????},
       publisher = {???????: ???-?? ??? ??. ?. ??????},
            year = {2013},
           pages = {77--79},
         journal = {????????? VI ?????????? ?????????????? ????????-??????????? ???????????: ??????? ???????? ?????},
             url = {http://eprints.zu.edu.ua/11917/},
        abstract = {? ?????? ??????? ??? ???????? ??????????? ??????? ?????????? ??? ? 30-50-? ????? ?? ????????. }
}