Аннотация:We set the task of solving the fundamental problem of the physical connection between gravitational-wave bursts from merging objects in binary systems and flashes of electromagnetic radiation in a wide range of wavelengths and neutrino radiation from these objects. For its implementation, the project participants (employees of the BNR INR RAS, INASAN, CrAO RAS and SAO RAS) will use methods and approaches of rapid response astronomy, optical and radio astronomy, ultrahigh-energy gamma-ray astronomy and neutrino astronomy. It is proposed to use the method of synchronous observations of regions of localization of candidates for gravitational-wave events based on alerts from LIGO/Virgo by a network of mutually complementary astrophysical instruments.