%0 Journal Article %A Venceslau, Marilis Bahr Karam %A Venceslau, Helder Manoel %A Pinto, Renan Vicente %A Dias, Gustavo %A Maculan, Nelson %T A new penalty/stochastic approach to an application of the covering problem: The gamma knife treatment %J RAIRO. Operations Research %D 2021 %P S787-S810 %V 55 %I EDP-Sciences %U https://www.numdam.org/articles/10.1051/ro/2020016/ %R 10.1051/ro/2020016 %G en %F RO_2021__55_S1_S787_0