@inproceedings{zu231634,
       booktitle = {3rd International Scientific and Practical Conference ?Challenges in Science of Nowadays?},
           title = {??????? ??????? ?????? ???? ?d2+ ? ?????? ???????? ????????? ???????????????? ????????????? ?????????},
          author = {?. ?. ????? and ?. ?. ?????????? and ?. ?. ??????? and ?. ?. ??????},
            year = {2020},
           pages = {294--297},
             url = {http://eprints.zu.edu.ua/31634/}
}