How to write a specification for razrabotku a large application?

Good day to all! Tell me how to correctly write TK for razrabotku a large application?
For example auto.yandex.ru or aviasales.ru
Can anyone throw an example of the brief for such a development?
September 19th 19 at 00:19
1 answer
September 19th 19 at 00:21
Solution
GOST good, though, and the 89-year
www.rugost.com/index.php?option=com_content&view=a...

Even on Habre wrote about him habrahabr.ru/post/122700

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