%0 Journal Article %A E. Arjas %A T.P. Speed %T Topics in Markov Additive Processes. %J Mathematica Scandinavica %D 1973 %P 171-192 %V 33 %I mathdoc %U http://geodesic.mathdoc.fr/item/MS2_1973__33_166323/ %F MS2_1973__33_166323