Analysis of information sources in references of the Wikipedia article "UEFA Cup Winners' Cup" in English language version.
The Cup-Winners' Cup is traditionally the weakest of the three European competitions
Only three East German clubs ever reached a European final ... and they were all in the Cup-Winners Cup, the weakest of the three European competitions
The European Cup Winners' Cup had always been regarded as the weakest of the three continental competitions[permanent dead link ]
the Cup-winners' Cup ... is also the weakest and least regarded of the European competitions
the Cup-winners' Cup ... is also the weakest and least regarded of the European competitions