@TECHREPORT{nonnengartszalasMPI952007, AUTHOR = {Andreas Nonnengart and Andrzej Sza{\l}as}, ADDRESS = {Saarbr{\"u}cken, Germany}, INSTITUTION = {Max-Planck-Institute for Computer Science}, TITLE = {A Fixpoint Approach to Second-Order Quantifier Elimination with Applications to Correspondence Theory}, MONTH = {March}, NUMBER = {MPI-I-95-2-007}, YEAR = {1995} }