@book{zu230933,
           title = {? ????????? ????????????? ????????-?????????? ???????????},
          author = {?????? ??????????? and ?. ?. ??????},
       publisher = {??????? ???????? ?????. - ???????: ???????, 2018. - 276 ?.},
            year = {2018},
             url = {http://eprints.zu.edu.ua/30933/}
}