%0 Journal Article %A R. L. Disney %A D. C. McNickle %T Semi-Markov switches %J Applicationes Mathematicae %D 1983 %P 507-515 %V 18 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/am-18-4-507-515/ %R 10.4064/am-18-4-507-515 %G en %F 10_4064_am_18_4_507_515