RFC 822:STANDARD FOR THE FORMAT OF ARPA INTERNET ...
RFC-Ref

3 - 8 - A - B - C - D - E - F - G - H - I - L - M - N - O - P - Q - R - S - T - U - V - X

BNF

Click on the red underlined text to get to the source

2. NOTATIONAL CONVENTIONS
... This specification uses an augmented Backus-Naur Form (BNF) notation. The differences from standard BNF involve naming rules ...
... augmented Backus-Naur Form (BNF) notation. The differences from standard BNF involve naming rules and indicating repetition and "local" alternatives. ...

3 - 8 - A - B - C - D - E - F - G - H - I - L - M - N - O - P - Q - R - S - T - U - V - X

Google
Web
RFC-Ref
RFC-Ref.org
Frontpage
Global Index
RFC
Sister Sites
Chess-Ref.org
Law-Ref.org
InChI.info
Zvon.org