@article{AIHPC_2021__38_4_1095_0,
     author = {Adami, Riccardo and Boscain, Ugo and Franceschi, Valentina and Prandi, Dario},
     title = {Point interactions for {3D} {sub-Laplacians}},
     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
     pages = {1095--1113},
     publisher = {Elsevier},
     volume = {38},
     number = {4},
     year = {2021},
     doi = {10.1016/j.anihpc.2020.10.007},
     mrnumber = {4266236},
     zbl = {1468.35181},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1016/j.anihpc.2020.10.007/}
}