@article{zu227575,
           title = {Rational and irrational numbers},
          author = {I. Lavrynovych},
       publisher = {???????: ??????????? ??-? ????????? ?.?.},
            year = {2018},
         journal = {????????? ?????????????? ? ????????? ???????????? ???????? ? ??? ????????: ??????? ?????????? ?V ??????????? ???????-?????????? ???????????? ??????????? ??? ????????? ???????? ??????????????: ???????, 18 ?????? 2018 ?. / ?? ???. ???. ?.?. ?????????},
             url = {http://eprints.zu.edu.ua/27575/}
}