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            | Abstract |  
            | We  show  that  two  closed,  connected
 
-manifolds with finite
 fundamental groups are 
-stably
 homeomorphic if and only if their quadratic
 
-types
 are stably isomorphic and their Kirby–Siebenmann invariants agree.
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            | Keywords
                Whitehead's Gamma group, stable classification of
                4-manifolds
               |  
          
            | Mathematical Subject Classification 2010
                Primary: 57N13
               |  
          
            | Milestones
                Received: 18 September 2019
               
                Revised: 26 January 2020
               
                Accepted: 30 November 2020
               
                Published: 8 March 2021
               |  |