First research of nickel-lithium-hydrogen teplogenerator reactions in Kyiv - V. A. Pshenychnyi; O. O. Hrytsai; V. M. Pavlovych; O. I. Kalchenko; V. M. Venedyktov; V. P. Shakhov; O. V. Dubikovskyi; T. M. Sabov; O. V. Kosulia (Nuclear physics and atomic energy, 2019)