@article{zu217728,
          volume = {46},
          number = {8},
           title = {??????????? ? ????????????? ?????????? ??? ?????? 5?????????????????????},
          author = {?. ?. ???????},
            year = {1976},
           pages = {1691--1693},
         journal = {?????? ????? ?????},
             url = {http://eprints.zu.edu.ua/17728/}
}