TANGRA multidetector systems for investigation of neutron-nuclear reactions at the JINR Frank Laboratory of Neutron Physics oleh Ruskov Ivan, Kopach Yury, Bystritsky Vyacheslav, Skoy Vadim, Grozdanov Dimitar, Fedorov Nikita, Tretyakova Tatyana, Aliev Fuad, Hramco Constantin, Slepnev Vyacheslav, Zamyatin Nikolay, Gandhi Aman, Wang Dongming, Kumar Ajay, Zubarev Evgeni, Bogolubov Evgeny, Barmakov Yuri