code: def authors(self):
          
  
          if hasattr(self, 'authors_full'):
              return self.authors_full
          elif hasattr(self, 'authors_init'):
              return self.authors_init
          else:
              return []
docs: Get the authors of the current :class:`.Paper` instance.
  
          Uses ``authors_full`` if it is available. Otherwise, uses
          ``authors_init``.
  
          Returns
          -------
          authors : :class:`.Feature`
              Author names are in the format ``LAST F``.