TY  - JOUR
AU  - Eydi, Alireza
AU  - Mohebi, Javad
TI  - Modeling and solution of maximal covering problem considering gradual coverage with variable radius over multi-periods
JO  - RAIRO - Operations Research - Recherche Opérationnelle
PY  - 2018
SP  - 1245
EP  - 1260
VL  - 52
IS  - 4-5
PB  - EDP-Sciences
UR  - http://archive.numdam.org/articles/10.1051/ro/2018026/
DO  - 10.1051/ro/2018026
LA  - en
ID  - RO_2018__52_4-5_1245_0
ER  -