%0 Journal Article %A V. A. Vatutin %T Limit theorems for critical Markov branching processes with several types of particles and infinite second moments %J Sbornik. Mathematics %D 1977 %P 215-225 %V 32 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1977_32_2_a2/ %G en %F SM_1977_32_2_a2