@article{AIHPC_2014__31_6_1289_0,
     author = {Adami, Riccardo and Cacciapuoti, Claudio and Finco, Domenico and Noja, Diego},
     title = {Constrained energy minimization and orbital stability for the {NLS} equation on a star graph},
     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
     pages = {1289--1310},
     publisher = {Elsevier},
     volume = {31},
     number = {6},
     year = {2014},
     doi = {10.1016/j.anihpc.2013.09.003},
     mrnumber = {3280068},
     zbl = {1304.81087},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.anihpc.2013.09.003/}
}