@article{SM_1980_37_3_a8,
     author = {V. A. Vatutin},
     title = {A new limit theorem for the critical {Bellman--Harris} branching process},
     journal = {Sbornik. Mathematics},
     pages = {411--423},
     publisher = {mathdoc},
     volume = {37},
     number = {3},
     year = {1980},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1980_37_3_a8/}
}