Your search returned the following 2 documents:

2. The Logarithmic Hypervolume Indicator
   Tobias Friedrich, Karl Bringmann, Thomas Voss, and Christian Igel
   In: FOGA'11 : Proceedings of the 2011 ACM/SIGEVO Foundations of Genetic Algorithms XI, Schwarzenberg, Austria, 2011, 81-92
   
1. Speeding Up Many-Objective Optimization by Monte Carlo Approximations
   Karl Bringmann, Tobias Friedrich, Christian Igel, and Thomas Voß
   Artificial Intelligence 204: 22–29 p., 2013