@article{AIHPA_1979__31_2_169_0,
     author = {Avron, Yossi and Privman, V.},
     title = {Discreteness of the ground state for non-relativistic bosons in one and two dimensions},
     journal = {Annales de l'institut Henri Poincar\'e. Section A, Physique Th\'eorique},
     pages = {169--172},
     publisher = {Gauthier-Villars},
     volume = {31},
     number = {2},
     year = {1979},
     mrnumber = {561920},
     language = {en},
     url = {http://archive.numdam.org/item/AIHPA_1979__31_2_169_0/}
}