@article{AM2_1989__37_2-3_137298,
     author = {Bruce R. Ebanks},
     title = {Generalized characteristic equation of branching information measures.},
     journal = {Aequationes mathematicae},
     pages = {162--178},
     publisher = {mathdoc},
     volume = {37},
     number = {2-3},
     year = {1989},
     zbl = {0673.39005},
     url = {http://geodesic.mathdoc.fr/item/AM2_1989__37_2-3_137298/}
}