%0 Journal Article %A Marian Bocea %A Mihai Mihăilescu %A Denisa Stancu-Dumitru %T The Monotonicity of the Principal Frequency of the Anisotropic $p$-Laplacian %J Comptes Rendus. Mathématique %D 2022 %P 993-1000 %V 360 %I Académie des sciences, Paris %R 10.5802/crmath.348 %G en %F CRMATH_2022__360_G9_993_0