@book{zu230932,
           title = {?? ????????? ????????????? ????????-?????????? ???????????},
          author = {?????? ??????????? and ?. ?. ??????},
       publisher = {??????? ???????? ?????. - ???????: ???????, 2017. - 184 ?.},
            year = {2017},
             url = {http://eprints.zu.edu.ua/30932/}
}