@article{MET_1972__18_175510,
     author = {P.N. Rathie},
     title = {Generalized {Entropies} in {Coding} {Theory.}},
     journal = {Metrika},
     pages = {216--219},
     publisher = {mathdoc},
     volume = {18},
     year = {1972},
     zbl = {0209.22004},
     url = {http://geodesic.mathdoc.fr/item/MET_1972__18_175510/}
}