Fix docstring reference issue
@@ -356,7 +356,7 @@ class Akima1DInterpolator(CubicHermiteSpline):
References
----------
- [1] A new method of interpolation and smooth curve fitting based
+ .. [1] A new method of interpolation and smooth curve fitting based
on local procedures. Hiroshi Akima, J. ACM, October 1970, 17(4),
589-602.
"""
