@article{zu224594,
           title = {Geometric characteristics of four-dimensional hypercomplex systems},
          author = {K. Vaschenko},
       publisher = {???????: ??????????? ??-? ????????? ?.?},
            year = {2017},
         journal = {??????????? ???????? ?????????? ??????????? ?????????? ?????? ? ????????????????? ????????: ??????? ?????????? ??? ??????????? ???????-?????????? ???????????? ??????????? ??? ????????? ???????? ??????????????: ???????, 12 ?????? 2017 ?.},
             url = {http://eprints.zu.edu.ua/24594/}
}