Gorbachev, N. V. Essential extensions of C*-algebras for a C-dual C*-algebra. (Russian) Zbl 0483.46038 Vestn. Mosk. Univ., Ser. I 1981, No. 6, 27-30 (1981). MSC: 46L05 46M20 × Cite Format Result Cite Review PDF
Gorbachev, N. V. On a class of extensions of C*-algebras. (English) Zbl 0473.46048 Vestn. Mosk. Univ., Ser. I 1981, No. 5, 38-47 (1981). MSC: 46M20 46L05 × Cite Format Result Cite Review PDF