1 - Differential geometrical methods in mathematical physics II : proceedings, University of Bonn, July 13-16, 1977
Bleuler, Konrad (1912-1992) (Ed.)   /   Petry, Herbert Rainer (Ed.)   /   Reetz, Axel (1937-....) (Ed.)

Cote : [67 BLE 78]

2 - Differential geometry methods in mathematical physics : proceedings of the symposium held at the University of Bonn, July 1-4, 1975
Bleuler, Konrad (1912-1992) (Ed.)   /   Reetz, Axel (1937-....) (Ed.)

Cote : [67 BLE 77]