Voir la notice de l'article provenant de la source Sociedad Colombiana de Matemáticas
@article{RCM_2012_46_1_a1, author = {Jorge M. Ramirez}, title = {Green's {Functions} for {Sturm-Liouville} {Problems} on {Directed} {Tree} {Graphs}}, journal = {Revista colombiana de matematicas}, pages = {15--25}, publisher = {mathdoc}, volume = {46}, number = {1}, year = {2012}, url = {http://geodesic.mathdoc.fr/item/RCM_2012_46_1_a1/} }
Jorge M. Ramirez. Green's Functions for Sturm-Liouville Problems on Directed Tree Graphs. Revista colombiana de matematicas, Tome 46 (2012) no. 1, pp. 15-25. http://geodesic.mathdoc.fr/item/RCM_2012_46_1_a1/