@article{MABA_1990_4_3-4_a14,
     author = {G. P. Yanev and N. M. Yanev},
     title = {Extinction of {Controlled} {Branching} {Processes} in {Random} {Environments}},
     journal = {Mathematica balkanica},
     pages = {368},
     publisher = {mathdoc},
     volume = {4},
     number = {3-4},
     year = {1990},
     url = {http://geodesic.mathdoc.fr/item/MABA_1990_4_3-4_a14/}
}