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Benedek, Agnes.
Remaks on a theorem of A. Pleijel and related topics, I : Behaviour of the eigenvalues of classical boundary problems in the plane / Agnes Benedek and Rafael Panzone.
— Bahía Blanca, Argentina : INMABB-CONICET, 2005. 29 h. ; 26. — (Notas de álgebra y análisis ISSN 0078-2009 ; 19,)
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