@article{zu223161,
           title = {???????? ???????? ? ??????? ????????????? ???????????? ????? ?? ????????????? ??????????? ?????? Geogebra},
          author = {???? ??????},
            year = {2016},
           pages = {32--35},
         journal = {????????? ??????? ???????? ???????????},
             url = {http://eprints.zu.edu.ua/23161/},
        abstract = {? ????????? ???????? ??????????? ???????????? ?????? ????????
????????? ???????? ???????, ???? ?????, ??? ?? ?????????? ???????, ??? ? ?????, ??????? ?? ???? ?????????.}
}