Problem visualizing ref

I checked my shango pages wher ethe merge request happened. In the text, the ref just appear as () except for the first one (Millman et al)

assigned to @jcury

added bug label

assigned to @rplanel and unassigned @jcury

Can you check ? It might be a problem of cache or something, it works now on my side. If you confirm that there are no technical issue, you can close the issue here.