%0 Journal Article %A SCHÜTZ, DIRK %T A FAST ALGORITHM FOR CALCULATING S-INVARIANTS %J Glasgow mathematical journal %D 2021 %P 378-399 %V 63 %N 2 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089520000257/ %R 10.1017/S0017089520000257 %F 10_1017_S0017089520000257