@article{SM_1977_32_2_a2,
     author = {V. A. Vatutin},
     title = {Limit theorems for critical {Markov} branching processes with several types of particles and infinite second moments},
     journal = {Sbornik. Mathematics},
     pages = {215--225},
     publisher = {mathdoc},
     volume = {32},
     number = {2},
     year = {1977},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1977_32_2_a2/}
}