@article{KYB_1987__23_3_a5,
     author = {Parkash, Om and Singh, R. S.},
     title = {On characterization of useful information-theoretic measures},
     journal = {Kybernetika},
     pages = {245--251},
     publisher = {mathdoc},
     volume = {23},
     number = {3},
     year = {1987},
     mrnumber = {900334},
     zbl = {0647.94004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1987__23_3_a5/}
}