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Such problem has its origin from normal matrix models. We study the asymptotic behaviour of $p_n(\\lambda)$ in the limit $n,N\\to\\infty$ in such a way that $n/N\\to T$ constant. 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Such problem has its origin from normal matrix models. We study the asymptotic behaviour of $p_n(\\lambda)$ in the limit $n,N\\to\\infty$ in such a way that $n/N\\to T$ constant. 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