Petrov, Roman2014-06-182014-06-181997Petrov R. Direct effect and difficulties of legal enforcement mechanism in the European Union [electronic resource] / R. A. Petгov // Правничий часопис Донецького університету. - 1997. - № 1 (3) - С. 24-30.https://ekmair.ukma.edu.ua/handle/123456789/3082eneuropean economic and political spaceЕС lawthe practice of ECJDirect effect and difficulties of legal enforcement mechanism in the European UnionArticle