Geometrical and algebraic aspects of nonlinear field theory : proceedings of the meeting on geometrical and algebraic aspects of nonlinear field theory, Amalfi, Italy, May 23-28, 1988 / ed. by S. De Filippo ... [et al.]

Geometrical and algebraic aspects of nonlinear field theory : proceedings of the meeting on geometrical and algebraic aspects of nonlinear field theory, Amalfi, Italy, May 23-28, 1988 / ed. by S. De Filippo ... [et al.]