Info-follow-reference is an interactive compiled Lisp function in `info.el'.

(Info-follow-reference FOOTNOTENAME &optional FORK)

Follow cross reference named FOOTNOTENAME to the node it refers to.
FOOTNOTENAME may be an abbreviation of the reference name.
If FORK is non-nil (interactively with a prefix arg), show the node in
a new Info buffer. If FORK is a string, it is the name to use for the
new buffer.