0(N) nonlinear sigma model in perturbation theory Symanzik, Kurt 1983 - DESY EPflicht - frei zugänglich
Schrödinger representation and Casimir effect in renormalizable quantum field theory Symanzik, Kurt 1981 - DESY EPflicht - frei zugänglich
Anomalies of the free loop wave equation in the WKB approximation Lüscher, M. Symanzik, Kurt Weisz, P. 1980 - DESY EPflicht - frei zugänglich