@article{zu26909,
           title = {????????????? ?????????? ? ????????? ?????? ?????????},
          author = {??????? ????????},
       publisher = {??? ????? ?.??????},
            year = {2010},
           pages = {156--164},
         journal = {???????????????? ??????. ?????? 4.},
             url = {http://eprints.zu.edu.ua/6909/}
}