@article{ZNSL_2023_520_a0,
     author = {A. A. Andrianov and D. A. Lyozin and A. N. Starodubtsev},
     title = {The spectrum of states of {Ba\~nados--Teitelboim--Zanelli} black hole formed by a collapsing dust shell},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {5--16},
     publisher = {mathdoc},
     volume = {520},
     year = {2023},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2023_520_a0/}
}