@book{zu230220,
           title = {?????????? ????: ????????? ??? 10-?? ????? (?????????? ??????)},
          author = {?. ?. ???????????? and ?. ?. ????????},
       publisher = {???? "??????"},
            year = {2018},
             url = {http://eprints.zu.edu.ua/30220/}
}