@article{TVP_1975_20_2_a22, author = {N. M. Yanev}, title = {Conditions of extinction of a $\varphi$-branching process with random~$\varphi$}, journal = {Teori\^a vero\^atnostej i ee primeneni\^a}, pages = {433--440}, publisher = {mathdoc}, volume = {20}, number = {2}, year = {1975}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TVP_1975_20_2_a22/} }