%0 Journal Article
%A Ben-Artzi, Matania
%A Nemirovsky, Jonathan
%T Remarks on relativistic Schrödinger operators and their extensions
%J Annales de l'I.H.P. Physique théorique
%D 1997
%P 29-39
%V 67
%N 1
%I Gauthier-Villars
%U http://www.numdam.org/item/AIHPA_1997__67_1_29_0/
%G en
%F AIHPA_1997__67_1_29_0