@article{VMUMM_2021_4_a3,
     author = {V. N. Zhermolenko and R. Temoltzi-Avila},
     title = {Bulgakov problem for a hyperbolic equation and robust stability},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {23--30},
     year = {2021},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2021_4_a3/}
}