@article{zu212464, title = {?????????? ???????? ? ?????}, author = {?. ?. ????????}, publisher = {???-?? ??? ??. ?. ??????}, year = {2013}, pages = {40--48}, journal = {?????????????? ???? ?.?. ????????? ? ?????????? ??? ????????}, url = {http://eprints.zu.edu.ua/12464/} }