preposition
( formal ) used in letters, emails, etc. to refer to a previous letter, email, conversation, etc. :
Further to our conversation of last Friday, I would like to book the conference centre for 26 June.
preposition
( formal ) used in letters, emails, etc. to refer to a previous letter, email, conversation, etc. :
Further to our conversation of last Friday, I would like to book the conference centre for 26 June.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005