@article{COCV_2020__26_1_A1_0, author = {Hirsch, Jonas and Marini, Michele}, title = {Lower bound for the perimeter density at singular points of a minimizing cluster in $\mathbb{R}^N$}, journal = {ESAIM: Control, Optimisation and Calculus of Variations}, publisher = {EDP-Sciences}, volume = {26}, year = {2020}, doi = {10.1051/cocv/2019005}, mrnumber = {4049314}, zbl = {1439.49073}, language = {en}, url = {http://www.numdam.org/articles/10.1051/cocv/2019005/} }