@misc{10_1017_S0008439500029775, title = {Transactions of the fourth {Prague} conference on information theory, statistical decision functions, random processes. {Academic} {Press,} {New} {York} and {London,} 1967, 725 pages.}, journal = {Canadian mathematical bulletin}, pages = {517--517}, year = {1968}, volume = {11}, number = {3}, doi = {10.1017/S0008439500029775}, url = {http://geodesic.mathdoc.fr/articles/10.1017/S0008439500029775/} }