Huseynov N 1

1. Search for decays of the Higgs boson into scalar particles decaying into four or six b quarks using pp collisions at (Formula presented) = 13 TeV with the ATLAS detector
2. Spectral and Photometric Studies of NGC 4151 in the Optical Range: Current Results
3. Spectral and Photometric Studies of NGC 7469 in the Optical Range
4. Spectral and Photometric Studies of NGC 3516 in the Optical Range
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