Американские депозитарные акции(An American depositary share ("ADS") is a vehicle for foreign corporations to list their ordinary equity on an American stock exchange, such as the New York Stock Exchange or the NASDAQ. wiki Alexander Demidov)
доля в праве общей собственности(if we agree that "tenancy in common" means "право общей долевой собственности", then probably the definition is correct shapker)