In his doctoral dissertation, Dmytro Baidiuk has been able to improve a couple of classical theorems known in the area, namely Shmul «yan theorem on completion of nonnegative block operators and Krein famous theorem on description of selfadjoint contractive extensions of a Hermitian contraction. (sciencedaily.com)
Recently because there were not enough ground troops Lib yans witnessed a fiasco of li bera tion. (religion.blogs.cnn.com)