@article{AIHPC_2019__36_7_1959_0,
     author = {Bucur, Dorin and Giacomini, Alessandro and Trebeschi, Paola},
     title = {Best constant in {Poincar\'e} inequalities with traces: {A} free discontinuity approach},
     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
     pages = {1959--1986},
     publisher = {Elsevier},
     volume = {36},
     number = {7},
     year = {2019},
     doi = {10.1016/j.anihpc.2019.07.007},
     mrnumber = {4020530},
     zbl = {1428.49043},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.anihpc.2019.07.007/}
}