@article{TMF_2009_161_3_a6,
     author = {I. Ya. Aref'eva and A. A. Bagrov},
     title = {Formation of trapped surfaces in the~collision of nonexpanding gravitational shock waves in an~$\text{AdS}_4$ space--time},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {382--399},
     publisher = {mathdoc},
     volume = {161},
     number = {3},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2009_161_3_a6/}
}