See for example Girela (2001, pp. 102–103). Girela, Daniel (2001), "Analytic functions of bounded mean oscillation", in Aulaskari, Rauno (ed.), Complex function spaces, Proceedings of the summer school, Mekrijärvi, Finland, August 30-September 3, 1999, Univ. Joensuu Dept. Math. Rep. Ser., vol. 4, Joensuu: Joensuu University, Department of Mathematics, pp. 61–170, MR1820090, Zbl0981.30026.
See for example Girela (2001, pp. 102–103). Girela, Daniel (2001), "Analytic functions of bounded mean oscillation", in Aulaskari, Rauno (ed.), Complex function spaces, Proceedings of the summer school, Mekrijärvi, Finland, August 30-September 3, 1999, Univ. Joensuu Dept. Math. Rep. Ser., vol. 4, Joensuu: Joensuu University, Department of Mathematics, pp. 61–170, MR1820090, Zbl0981.30026.