@article{zu218398, number = {2(13)}, title = {??????? ??????????? ????????? ? ?????????????-??????????????? ????????????? ? ?????????????? ?????: ?????????????? ??????}, author = {?. ?. ??????????}, publisher = {????????????? ??????????????? ???????????}, year = {2013}, pages = {113--115}, journal = {?????? ????? ???}, url = {http://eprints.zu.edu.ua/18398/} }