@article{GDZPPN002080443,
title = {The forcibly-tree and forcibly-unicyclic degree sequences.},
journal = {Elemente der Mathematik},
volume = {37},
year = {1982},
pages = {41-43},
zbl = {0436.05057},
url = {http://dml.mathdoc.fr/item/GDZPPN002080443}
}
Harary, F.; Exoo, G. The forcibly-tree and forcibly-unicyclic degree sequences.. Elemente der Mathematik, Tome 37 (1982) pp. 41-43. http://gdmltest.u-ga.fr/item/GDZPPN002080443/