@article{TVP_1968_13_2_a1,
     author = {P. Jagers},
     title = {Age-dependent branching processes allowing immigration},
     journal = {Teori\^a vero\^atnostej i ee primeneni\^a},
     pages = {230--242},
     publisher = {mathdoc},
     volume = {13},
     number = {2},
     year = {1968},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TVP_1968_13_2_a1/}
}