Voir la notice de l'article provenant de la source eLibrary of Mathematical Institute of the Serbian Academy of Sciences and Arts
@article{PIM_1977_N_S_22_36_a6, author = {Ivan Gutman}, title = {The {Acyclic} {Polynomial} {Of} {A} {Graph}}, journal = {Publications de l'Institut Math\'ematique}, pages = {63 }, publisher = {mathdoc}, volume = {_N_S_22}, number = {36}, year = {1977}, url = {http://geodesic.mathdoc.fr/item/PIM_1977_N_S_22_36_a6/} }
Ivan Gutman. The Acyclic Polynomial Of A Graph. Publications de l'Institut Mathématique, _N_S_22 (1977) no. 36, p. 63 . http://geodesic.mathdoc.fr/item/PIM_1977_N_S_22_36_a6/