³ . -

г 2006
66
² Ҳ ' ̲ί ײ ˲Ͳ в Ͳ Ҳ
' . $u_{tt}+a u_{txxxx}+b u_{xxxx}+|u_t|^{p-2}u_t=f$, $p>2$, . '. -- .
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