A Bäcklund transformation for the classical anticommuting massive thirring model in one space dimension Izergin, A. Stehr, J. 1976 - DESY EPflicht - frei zugänglich
The Bose field structure associated with a free massive Dirac field in one space dimension Lehmann, H. Stehr, J. 1976 - DESY EPflicht - frei zugänglich