In this paper we consider the problem $left{ {ll} -Delta u=u^p+lambda u & quadhbox{ in }A, u > 0&quad hbox{ in }A, u=0 &quad hbox{ on }partial A, right. $left{ begin{array}{ll} -Delta u=u^p+lambda u & quadhbox{ in }A, u > 0&quad hbox{ in }A, u=0 &quad hbox{ on }partial A, end{array}right.
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机译：在本文中，我们考虑问题$ left {{ll} -Delta u = u ^ p + lambda u＆quadhbox {in} A，u> 0＆quad hbox {in} A，u = 0＆quad hbox {on} Part A，对。 $ left {begin {array} {ll} -Delta u = u ^ p + lambda u＆quadhbox {in} A，u> 0＆quad hbox {in} A，u = 0＆quad hbox {on} partial A，end {array }对。
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