Volume 17 (1990) no. 1

Table of contents

Singularity theory and the geometry of a nonlinear elliptic equation
p. 1-33
Periodic solutions of perturbed superquadratic hamiltonian systems
p. 35-77
Integral formulas for the ∂ ¯-equation on complex projective algebraic manifolds
p. 79-110
Algebraic and topological selections of multi-valued linear relations
p. 111-126
Induced representations of completely solvable Lie groups
p. 127-164