%0 Journal Article %A Vanderléa R. Bazao %A César R. de Oliveira %A Pablo A. Diaz %T On the Birman–Krein Theorem %J Comptes Rendus. Mathématique %D 2023 %P 1081-1086 %V 361 %I Académie des sciences, Paris %R 10.5802/crmath.473 %G en %F CRMATH_2023__361_G7_1081_0