@article{DCG_1986__1_130982,
     author = {J. Pach},
     title = {Covering the {Plane} with {Convex} {Polygons.}},
     journal = {Discrete & computational geometry},
     pages = {73--82},
     publisher = {mathdoc},
     volume = {1},
     year = {1986},
     zbl = {0595.52015},
     url = {http://geodesic.mathdoc.fr/item/DCG_1986__1_130982/}
}