@article{zu220520, title = {?????????? ??????????? ??????? ?????????? ?????? ?? ????????????-?????????? ?????? ????? ? ????????? ??????????}, author = {?. ?. ???????}, publisher = {???????????? ????????? ???????????? ???????? ????? ????? ??????}, year = {1987}, pages = {78--79}, journal = {????? ? ????? ????????????? ?????????? ??????? ?? ?????? ? ????????? ????? ? ?????? ?????? XXVII ?????? ????, ???????? ???????? ??????? ????????????????? ? ??????????? ????? : ???. ????.-?????. ????.}, url = {http://eprints.zu.edu.ua/20520/} }