TY JOUR TI Additional boundary conditions in thermal conductivity problems with heterogeneous boundary conditions KW thermal conductivity KW boundary conditions KW additional sought function KW additional boundary conditions KW analytical solution KW least squares method JO Vestnik of Astrakhan State Technical University. Series: Management, computer science and informatics AU Trubitsyn, K.. AU Kotova, E.. AU Gavrilova, T.. AU Kolotilkina, K.. AU Zaitsev, S.. AU Tarabrina, T.. PY 2023 IS 2023 PB Astrakhan State Technical University