Volume 12 (4) (1992)

• N.L. Johnson
  Derivation of partial flocks of quadratic cones
  817-848
• D. Chinea, J.C. Marrero
  Conformal changes of almost cosymplectic manifolds
  849-867
• M. Obradović, T. Yaguchi, H. Saitoh
  On some conditions for univalence and starlikeness in the unit disc
  869-877
• I. Capuzzo Dolcetta, N.A. Tchou
  Stability of solutions of Neumann problems with singular potential
  879-890
• Ma E. Ballvé, P. Jiménez Guerra
  On the integration in convergence spaces
  891-900
• P.I. Booth
  Free G-spaces, principal G-fibrations and maps between classifying spaces
  901-919
• A.M. Naveira, F. García
  Some results of integral geometry for density of linear subspaces of Cn
  921-935
• H. Bor
  A note on |N,pn|k summability factors
  937-942
• J. Jarušek, J. Málek, J. Necas, V. Šverák
  Variational inequality for a viscous drum vibrating in the presence of an obstacle
  943-958
• A. Dernek
  On Ruscheweyh derivatives of meromorphic functions
  959-967
• M.O. Valero Oltra
  Some classes related to the components of a finite group
  969-974
• F. Costabile, M.I. Gualtieri, A. Scalise
  Generalizzazione dei metodi di Nyström: formule immerse
  975-996
• M.R. Celenetani, U. Dardano
  Some sensitivity conditions for infinite groups
  997-1012
• A. Borzymowski
  A Riquier-like problem for a hyperbolic partial differential equation
  1013-1029
• L. Gori, E. Santi
  Moment-preserving approximations: a monospline approach
  1031-1044
• H. Exton
  The general inverse quartic interaction
  1045-1052
• S. Lorenzutta, G. Maino, G. Dattoli, M. Richetta, A. Torre, C. Chiccoli
  Generalized Bessel functions and exact solutions of partial differential equations
  1053-1069
• D. Candeloro, A. Martellotti
  Radon-Nikodym theorems for vector-valued finitely additive measures
  1071-1086