@article{zu221083, title = {????????????? ???????? ?? ?????????? ??? ???????? ???????????????}, author = {?. ?. ????????? and ?. ?. ????????}, publisher = {???????: ???-?? ??? ??. ?. ??????}, year = {2015}, pages = {136--141}, journal = {???????? ???????? ??????????: ??????? ???????? ????? / ?? ???. ?.?.????}, url = {http://eprints.zu.edu.ua/21083/} }