Astronomy & Astrophysics (A&A)

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BL Lacertae: X-ray spectral evolution and a black-hole mass estimate

Lev Titarchuk and Elena Seifina

A&A, 602 (2017) A113

Published online: 23 June 2017

DOI: 10.1051/0004-6361/201630280

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Lev Titarchuk

Elena Seifina

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