@article{GT_2018_22_3_a4,
     author = {Pardo, Angel},
     title = {Counting problem on wind-tree models},
     journal = {Geometry & topology},
     pages = {1483--1536},
     publisher = {mathdoc},
     volume = {22},
     number = {3},
     year = {2018},
     doi = {10.2140/gt.2018.22.1483},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/gt.2018.22.1483/}
}