@article{COCV_2020__26_1_A111_0,
     author = {Paoli, Gloria and Piscitelli, Gianpaolo and Trani, Leonardo},
     title = {Sharp estimates for the first $p${\protect\emph{}-Laplacian} eigenvalue and for the $p$\protect\emph{}-torsional rigidity on convex sets with holes},
     journal = {ESAIM: Control, Optimisation and Calculus of Variations},
     publisher = {EDP-Sciences},
     volume = {26},
     year = {2020},
     doi = {10.1051/cocv/2020033},
     mrnumber = {4185065},
     zbl = {1460.35179},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1051/cocv/2020033/}
}