%0 Journal Article %A V. V. Goryainov %T Fractional iteration of probability generating functions and imbedding discrete branching processes in continuous processes %J Sbornik. Mathematics %D 1994 %P 47-61 %V 79 %N 1 %U http://geodesic.mathdoc.fr/item/SM_1994_79_1_a3/ %G en %F SM_1994_79_1_a3