@article{AM2_1988__36_2-3_137289,
     author = {Pl. Kannappan and B.R. Ebanks and C.T. Ng},
     title = {Recursive inset entropies of multiplicative type on open domains.},
     journal = {Aequationes mathematicae},
     pages = {268--293},
     publisher = {mathdoc},
     volume = {36},
     number = {2-3},
     year = {1988},
     zbl = {0659.39002},
     url = {http://geodesic.mathdoc.fr/item/AM2_1988__36_2-3_137289/}
}