TY  - BOOK
AU  - Demirtshyan,Hovhannes
ED  - V. Ambartsumian Byurakan Astrophysical Observatory.
TI  - Integrable systems connected with black holes: PhD thesis : 01.03.02-Astrophysics and Radioastronomy for PhD in physics and mathematicss 
PY  - 2019///
CY  - Byurakan
PB  - [S. n.]
KW  - Astrophysics
KW  - Radioastronomy
KW  - Dissertation
N1  - Adviser: Doctor of science (Physics) Armen Nersessian
ER  -