Ideals in algebras of unbounded operator 2
русский/английский/Ideals in algebras of unbounded operator. 2 / W. Timmermann.Ideals in algebras of unbounded operator / W. Timmermann.Ideals in algebras of unbounded operator.Б. м./, 1978 ( ). - 1978.Ideals in algebras of unbounded operator. Б. м., 1978 .