%0 Journal Article %A Avron, Yossi %A Privman, V. %T Discreteness of the ground state for non-relativistic bosons in one and two dimensions %J Annales de l'institut Henri Poincaré. Section A, Physique Théorique %D 1979 %P 169-172 %V 31 %N 2 %I Gauthier-Villars %U http://archive.numdam.org/item/AIHPA_1979__31_2_169_0/ %G en %F AIHPA_1979__31_2_169_0