TY - JOUR AU - Georges Jobert TI - Kelvin's article on the magnetic centre and Schmidt's one on the optimal eccentric dipole, revisited JO - Comptes Rendus. GĂ©oscience PY - 2015 SP - 64 EP - 65 VL - 347 IS - 2 PB - Elsevier DO - 10.1016/j.crte.2015.06.004 LA - en ID - CRGEOS_2015__347_2_64_0 ER -