- Luca Briani, Giuseppe Buttazzo, Francesca Prinari, “Inequalities between torsional rigidity and principal eigenvalue of the p-Laplacian”, Calc. Var., 61, № 2, 2022, 78
- Thomas Beck, “Uniform Level Set Estimates for Ground State Eigenfunctions”, SIAM J. Math. Anal., 50, № 4, 2018, 4483
- Luca Briani, Giuseppe Buttazzo, Francesca Prinari, “Some Inequalities Involving Perimeter and Torsional Rigidity”, Appl Math Optim, 84, № 3, 2021, 2727
- Michiel van den Berg, Giuseppe Buttazzo, Aldo Pratelli, “On relations between principal eigenvalue and torsional rigidity”, Commun. Contemp. Math., 23, № 08, 2021, 2050093
- Francesco Della Pietra, Nunzia Gavitone, Serena Guarino Lo Bianco, “On functionals involving the torsional rigidity related to some classes of nonlinear operators”, Journal of Differential Equations, 265, № 12, 2018, 6424