%0 Journal Article %A Sergey A. Nazarov %A Eugenia Pérez %T New asymptotic effects for the spectrum of problems on concentrated masses near the boundary %J Comptes Rendus. Mécanique %D 2009 %P 585-590 %V 337 %N 8 %I Elsevier %R 10.1016/j.crme.2009.07.002 %G en %F CRMECA_2009__337_8_585_0