Closed geodesics on positively curved manifolds					
					
						Pages 213-247 from Volume 116 (1982), Issue 2 by Werner Ballmann, Gudlaugur Thorbergsson, Wolfgang Ziller					
					
											
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							Authors 
														   Werner Ballmann
							     							   
							   							   							   
							   
														   Gudlaugur Thorbergsson
							     							   
							   							   							   
							   
														   Wolfgang Ziller