Volume 12 (3) (1992)

• D.P. Mishev, D.D. Bainov
  A necessary and sufficient condition for oscillation of neutral type hyperbolic equations
  545-553
• S. Capparelli
  Le equazioni di Knizhnik e Zamolodchikov e le algebre di operatori di vertice
  555-573
• Ram U. Verma
  The spectra and numerical ranges of nonlinear operators in reflexive spaces
  575-582
• S-Y. Chung, D. Kim
  Uniform majorization of ultradistributions and decomposition theorem
  583-596
• J. Berkovits, V. Mustonen
  Topological degree for perturbations of linear maximal monotone mappings and applications to a class of parabolic problems
  597-621
• I. Scarascia
  A geometrical stability for T-minimum solutions of Hamiltonian systems
  623-641
• M. Nunokawa, S. Owa, H. Saitoh
  On certain differential inequalities
  643-647
• G. Pellegrino
  Sugli archi completi dei piani PG(2,q), q dispari, contenenti (q+3)/2 punti di una conica
  649-674
• J. Appell, A. Carbone, P.P. Zabrejko
  Kantorovich majorants for nonlinear operators and applications to Uryson integral equations
  675-688
• S. Segura de León
  Characterizations of Hammerstein operators
  689-707
• G. Criscuolo, B. Della Vecchia, G. Mastroianni
  Extended Hermite interpolation with additional nodes and mean convergence of its derivatives
  709-728
• G. Faina
  Partizioni e sezioni piane delle quadriche non singolari di PG(3,g)
  729-747
• F. Cianetti, E. Pucci
  Solutions of the Boussinesq equation generated by weak symmetries
  769-781
• W.M. Mikulski
  Some natural operations on vector fields
  783-803
• E. Musso
  Su una proprietà delle curve stazionarie rispetto a funzionali dipendenti dalle curvature
  805-815