@article{KYB_2009__45_2_a2,
     author = {Studen\'y, Milan and Roverato, Alberto and \v{S}t\v{e}p\'anov\'a, \v{S}\'arka},
     title = {Two operations of merging and splitting components in a chain graph},
     journal = {Kybernetika},
     pages = {208--248},
     publisher = {mathdoc},
     volume = {45},
     number = {2},
     year = {2009},
     mrnumber = {2518149},
     zbl = {1252.62058},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_2009__45_2_a2/}
}