@article{10_4064_cm108_1_6,
     author = {S. O. Smal{\o} and A. Valenta},
     title = {Top-stable and layer-stable degenerations and hom-order},
     journal = {Colloquium Mathematicum},
     pages = {63--71},
     publisher = {mathdoc},
     volume = {108},
     number = {1},
     year = {2007},
     doi = {10.4064/cm108-1-6},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm108-1-6/}
}