@article{zu229988,
           title = {???????????? GeoGebra ? ???????? ??????????},
          author = {?. ?. ?????},
       publisher = {???????},
            year = {2019},
           pages = {204--205},
         journal = {???? ????????? ? ??????. ????.-??????. ????. ?????????????-??????????? ?????????? ? 2019? (???????, 18-20 ?????? 2019 ?.)},
             url = {http://eprints.zu.edu.ua/29988/}
}