Full Idea
I suggest that the de re is to be analyzed in terms of the de dicto. ...We have a case of modality de re when (and only when) the appropriate property in the de dicto formulation is an object-essence.
Gist of Idea
De re necessity is just de dicto necessity about object-essences
Source
Michael Jubien (Analyzing Modality [2007], 5)
Book Reference
'Oxford Studies in Metaphysics vol.3', ed/tr. Zimmerman,Dean W. [OUP 2007], p.124