%0 Journal Article %A Kuang, Zhaobin %A Liu, Zhuangyi %A Tebou, Louis %T Optimal semigroup regularity for velocity coupled elastic systems: a degenerate fractional damping case %J ESAIM: Control, Optimisation and Calculus of Variations %D 2022 %V 28 %I EDP-Sciences %U https://www.numdam.org/articles/10.1051/cocv/2022042/ %R 10.1051/cocv/2022042 %G en %F COCV_2022__28_1_A46_0