TY JOUR TI Fifty years of studying the GCR intensity during inversion of heliospheric magnetic fields I. Observations KW heliosphere KW heliospheric magnetic fields (HMF) KW inversion of HMF KW galactic cosmic rays (GCR) KW GCR modulation KW long-term GCR variations KW 22-year GCR intensity variation KW GCR during HMF inversion JO Solnechno-Zemnaya Fizika AU Krainev, M.B. AU Bazilevskaya, G.A. AU Kalinin, M.S. AU Mihaylov, V.V. AU Svirzhevskaya, A.K. AU Svirzhevsky, N.S. PY 2023 IS 9 PB INFRA-M Academic Publishing LLC.