@article{SM_2023_214_11_a0,
     author = {V. A. Vatutin and C. Dong and E. E. Dyakonova},
     title = {Random walks conditioned to stay nonnegative and branching processes in an unfavourable environment},
     journal = {Sbornik. Mathematics},
     pages = {1501--1533},
     publisher = {mathdoc},
     volume = {214},
     number = {11},
     year = {2023},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2023_214_11_a0/}
}