%0 Journal Article %A Pukanszky, L. %T Action of algebraic groups of automorphisms on the dual of a class of type ${\rm I}$ groups %J Annales scientifiques de l'École Normale Supérieure %D 1972 %P 379-395 %V 5 %N 3 %I Elsevier %U http://archive.numdam.org/articles/10.24033/asens.1231/ %R 10.24033/asens.1231 %G en %F ASENS_1972_4_5_3_379_0