@article{RCP25_1976__23__22_0,
     author = {Martin, A.},
     title = {A {Bound} on the {Total} {Number} of {Bound} {States} in a {Potential}},
     journal = {Les rencontres physiciens-math\'ematiciens de Strasbourg -RCP25},
     note = {talk:2},
     pages = {22--41},
     publisher = {Institut de Recherche Math\'ematique Avanc\'ee - Universit\'e Louis Pasteur},
     volume = {23},
     year = {1976},
     language = {en},
     url = {http://archive.numdam.org/item/RCP25_1976__23__22_0/}
}