1. Carleson L., “On the zeros of functions with bounded Dirichlet integral,” Math. Z., Bd 3, 289–295 (1952).
2. Korenblyum B. I., “An extremal property of outer functions,” Math. Notes, 10, No. 1, 456–458 (1971).
3. Korenblyum B. I., “Functions holomorphic in a disk and smooth in its closure,” Soviet Math., Dokl., 12, No. 1, 1312–1315 (1971).
4. Khavin V. P., “On factorization of analytic functions that are smooth up to a boundary,” Zap. Nauchn. Sem. Leningrad. Otdel. Mat. Inst. Steklov. (LOMI), 22, 202–205 (1971).
5. Shamoyan F. A., “Division by an inner function in some spaces of functions analytic in the disk,” Zap. Nauchn. Sem. Leningrad. Otdel. Mat. Inst. Steklov. (LOMI), 22, 206–208 (1971).