SOCIAL SECURITY FOR MIGRANT WORKERS - LEGISLATION APPLICABLE - DETERMINATION ON THE BASIS OF COMMUNITY LAW - WORKER WORKING IN TWO MEMBER STATES AND RESIDING IN THE TERRITORY OF ONE OF THEM - NATIONAL PROVISIONS OF THE STATE OF RESIDENCE EXCLUDING THE RIGHT TO RECEIVE AN OLD-AGE PENSION BECAUSE OF THE WORKER ' S AFFILIATION IN THE OTHER MEMBER STATE - NOT PERMISSIBLE ( REGULATION NO 3 OF THE COUNCIL , ART . 13 ( C ); REGULATION NO 1408/71 OF THE COUNCIL , ART . 14 ( 1 ) ( C ) ( I ))