Vol. 2 Num. 2, 3, 1989

Gerhard PFISTER and Hans SCHÖNEMANN
Singularities with exact Poincaré complex but not quasihomogeneous
José Luis BALCÁZAR
Self-reducibility structures and solutions of NP problems
Jean-Michel LASRY, Jean-Michel MOREL, and Sergio SOLIMINI On knowledge games
María Rosa SANTILLÁN and Aldo J. VIOLLAZ
Distribución del cuadrado de la máxima correlación canónica para tamaños muestrales pequeños
  Fabio GASTALDI and Gianni GILARDI On a definition of seminorm in Ws, p(G)
 Jean-Pierre RAYMOND Régularité globale des solutions de systèmes elliptiques non linéaires
François de THELIN Positivy solutions of an elliptic equation with strongly nonlinear lower order terms