@article{DMGT_2011_31_1_a2,
     author = {Breiner, Andrew and Deogun, Jitender and Ille, Pierre},
     title = {Decomposition tree and indecomposable coverings},
     journal = {Discussiones Mathematicae. Graph Theory},
     pages = {37--44},
     publisher = {mathdoc},
     volume = {31},
     number = {1},
     year = {2011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGT_2011_31_1_a2/}
}