@article{AIHPB_1970__6_1_1_0,
     author = {Ji\v{r}ina, Miloslav},
     title = {A simplified proof of the {Sevastyanov} theorem on branching processes},
     journal = {Annales de l'institut Henri Poincar\'e. Section B. Calcul des probabilit\'es et statistiques},
     pages = {1--7},
     publisher = {Gauthier-Villars},
     volume = {6},
     number = {1},
     year = {1970},
     mrnumber = {266318},
     zbl = {0213.19503},
     language = {en},
     url = {http://www.numdam.org/item/AIHPB_1970__6_1_1_0/}
}