@book{zu233462,
           title = {?????????? ??????. ??????? 1},
          author = {?. ?. ??????? and ?. ?. ??????? and ?. ?. ???????? and ?. ?. ?????????},
       publisher = {??? ????? ????? ??????},
            year = {2017},
             url = {http://eprints.zu.edu.ua/33462/}
}