Anomalies of currents in the quantized sine-gordon equation Flume, R. 1975 - DESY EPflicht - frei zugänglich
The invariance of the S-matrix under point transformations in renormalized perturbation theory Flume, R. 1974 - DESY EPflicht - frei zugänglich
Renormalization of gauge field theories with spontaneous symmetry breaking in the unitary gauge Flume, R. 1974 - DESY EPflicht - frei zugänglich