TY JOUR TI Approaches to defining the concept of “family member” in the Russian legislation KW family member KW Russian legislation KW family law KW housing law KW inter-branch pluralism KW kinship KW affinity JO Journal of Legal Studies AU Ishchenko, N.Y. AU Kachkov, N.V. PY 2026 IS 11 PB INFRA-M Academic Publishing LLC.