@incollection{zu215218, author = {?. ?. ????????}, series = {?????????? ??????? ?????? ?? ??????? ???????? ?????????? ?? ??? ????????????? ?????????? ???????????? ????? ?. ??????}, booktitle = {??-????}, address = {???????}, title = {?????????? ?????? ????. ????????? ?? ????? ?. ?????? ?????????}, publisher = {???????}, pages = {170--179}, year = {2015}, url = {http://eprints.zu.edu.ua/15218/} }