%0 Journal Article
%A Jens Kaad
%T On the Unbounded Picture of $KK$-Theory
%J Symmetry, integrability and geometry: methods and applications
%D 2020
%V 16
%U http://geodesic.mathdoc.fr/item/SIGMA_2020_16_a81/
%G en
%F SIGMA_2020_16_a81