@article{zu217555,
          number = {78},
           title = {? ????????????? ????????},
          author = {?????? ??????},
       publisher = {???-?? ??? ??. ?.??????},
            year = {2015},
           pages = {311--312},
         journal = {?????? ????????????? ?????????? ???????????? ????? ????? ??????},
             url = {http://eprints.zu.edu.ua/17555/},
        abstract = {??????? ?????}
}