TY - BOOK AU - Conference on "Differential Geometrical Methods in Mathmatical Physics", Aix-en-Provence, Sept. 3-7, 1979 and Salamanca 10-14, 1979. AU - Garcia, P. L. AU - Perez-Rendon, A. AU - Souriau, J. M. TI - Differential geometrical methods in mathematical physics: ; proceedings of the conference U1 - 530.1 PY - 1980/// CY - Berlin PB - Springer-Verlag ER -