++++ Social security for migrant workers - Family benefits - Self-employed person subject to the legislation of a Member State - Members of his family residing in another Member State - Entitlement to the benefits provided for by the legislation to which the self-employed person is subject - Basis - Article 73 of Regulation No 1408/71, as amended, to the exclusion of Article 51 of the Treaty ( EEC Treaty, Article 51; Regulation No 1408/71 of the Council, Article 1(u)(ii ) and Article 73, as amended by Regulation No 3427/89 )