%A ?. ?. ??????
%J ??????????? ???????????? ??????
%T ??????????i ?????????i ??????? ??????? ????? ? ???????? ?? ????i ??????? ??????? ????????i?
%X ????? ??????i???? ?????? ??????? ????? ? ???????? e ??? ????? ??????????? ????? C ???????? ???i???????
??????? B0 = \{ c1e + c2\omega  : ck \in  C, k = 1, 2\} , \omega 2 = e, ?? ?i????? ?????? (e1, e2) ???i, ?? e41
+ 2pe21
e22
+ e42
= 0
??? ??????? ?i????????? p > 1. ??????? \{ (e1, e2)\}  ??????? ? ?????? ??????i. ?????????? B0 -?????i ?????i????i?
?????i? \Phi  ???i, ?? ???i ?i?????????i ?????????? ????????????? ?i?????? ??? ??????????? ?????i? ????????? u ?
??????? ??????? ??????????? ????????i?
\biggl( 
\partial 4
\partial x4 + 2p
\partial 4
\partial x2\partial y2 +
\partial 4
\partial y4
\biggr) 
u(x, y) = 0, ?? x, y ? ?i???i ??i??i.
%N 8
%P 1058-1071
%V 70
%D 2018
%I ??????????? ???????? ????
%L zu228479