@article{10_4064_cm123_1_3,
     author = {Claudia Chaio and Mar{\'\i}a In\'es Platzeck and Sonia Trepode},
     title = {The composite of irreducible morphisms
 in regular components},
     journal = {Colloquium Mathematicum},
     pages = {27--47},
     publisher = {mathdoc},
     volume = {123},
     number = {1},
     year = {2011},
     doi = {10.4064/cm123-1-3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm123-1-3/}
}