@article{zu228347,
           title = {Problems with parameters},
          author = {O. Stepanchuk},
       publisher = {???????: ???-?? ??? ??. ?. ??????},
            year = {2018},
         journal = {????????? ?????????????? ? ????????? ???????????? ???????? ? ??? ????????: ??????? ?????????? ?V ??????????? ???????-?????????? ???????????? ??????????? ??? ????????? ???????? ??????????????: ???????, 18 ?????? 2018 ?. / ?? ???. ???. ?.?. ?????????},
             url = {http://eprints.zu.edu.ua/28347/}
}