@article{zu228479,
          volume = {70},
          number = {8},
          author = {?. ?. ??????},
           title = {??????????i ?????????i ??????? ??????? ????? ? ???????? ?? ????i ??????? ??????? ????????i?},
       publisher = {??????????? ???????? ????},
         journal = {??????????? ???????????? ??????},
           pages = {1058--1071},
            year = {2018},
             url = {http://eprints.zu.edu.ua/28479/},
        abstract = {????? ??????i???? ?????? ??????? ????? ? ???????? e ??? ????? ??????????? ????? C ???????? ???i???????
??????? B0 = {$\backslash$}\{ c1e + c2{$\backslash$}omega  : ck {$\backslash$}in  C, k = 1, 2{$\backslash$}\} , {$\backslash$}omega 2 = e, ?? ?i????? ?????? (e1, e2) ???i, ?? e41
+ 2pe21
e22
+ e42
= 0
??? ??????? ?i????????? p {\ensuremath{>}} 1. ??????? {$\backslash$}\{ (e1, e2){$\backslash$}\}  ??????? ? ?????? ??????i. ?????????? B0 -?????i ?????i????i?
?????i? {$\backslash$}Phi  ???i, ?? ???i ?i?????????i ?????????? ????????????? ?i?????? ??? ??????????? ?????i? ????????? u ?
??????? ??????? ??????????? ????????i?
{$\backslash$}biggl( 
{$\backslash$}partial 4
{$\backslash$}partial x4 + 2p
{$\backslash$}partial 4
{$\backslash$}partial x2{$\backslash$}partial y2 +
{$\backslash$}partial 4
{$\backslash$}partial y4
{$\backslash$}biggr) 
u(x, y) = 0, ?? x, y {--} ?i???i ??i??i.}
}