@article{NANO_2016_7_2_a0, author = {S. Albeverio and S. Fassari and F. Rinaldi}, title = {Spectral properties of a symmetric three-dimensional quantum dot with a pair of identical attractive $\delta$-impurities symmetrically situated around the origin}, journal = {Nanosistemy: fizika, himi\^a, matematika}, pages = {268--289}, publisher = {mathdoc}, volume = {7}, number = {2}, year = {2016}, language = {en}, url = {http://geodesic.mathdoc.fr/item/NANO_2016_7_2_a0/} }