Partitions with Minimum Entropy of Regions in R².

J. G. Gaines Partitions with Minimum Entropy of Regions in R². 69-73 1997 63 Inf. Process. Lett. 2 db/journals/ipl/ipl63.html#Gaines97 http://dx.doi.org/10.1016/S0020-0190(97)00103-8