@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/