%0 Journal Article %A Jerzy Błahut %T On the selection of pairs %J Applicationes Mathematicae %D 1969 %P 451-467 %V 11 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/am-11-4-451-467/ %R 10.4064/am-11-4-451-467 %G en %F 10_4064_am_11_4_451_467