Sommaire

Minimal immersions of surfaces into 4-dimensional space forms

Tribuzy, Renato de Azevedo ; Valle Guadalupe, Irwen

p. 1-13
A generalization of separable torsion-free abelian groups

Fuchs, L. ; Viljoen, G.

p. 15-21
ℱ-constraint of the automorphism group of a finite group

Iranzo, M. J. ; Pérez Monasor, F.

p. 23-30
An Ω + -estimate for the number of lattice points in a sphere

Nowak, Werner Georg

p. 31-40
On reduced products of abelian groups

Dugas, Manfred

p. 41-47
On the existence of projective and quasi-projective covers

Hausen, Jutta ; Johnson, Johnny A.

p. 49-54
Rings S-radical over PI-subrings

Felzenszwalb, B. ; Misso, P.

p. 55-61
Sulle soluzioni di equazioni alle derivate parziali del primo ordine in insiemi di perimetro finito con termine noto misura

Carriero, M. ; Leaci, A. ; Pascali, E.

p. 63-87
An existence theorem for bounded solutions of differential equations in Banach spaces

Rzepecki, Bogdan

p. 89-94
Note on the regular digraphs

Marcu, Dănuţ

p. 95-98
Materiali elastici approssimativamente vincolati

Marzano, S. ; Podio-Guidugli, P.

p. 99-117
A Stefan problem for the heat equation subject to an integral condition

Comparini, Elena ; Tarzia, Domingo A.

p. 119-136
On normalization of Nash varieties

Raimondo, Mario

p. 137-145
Finite groups with a standard-component of type L 3 (4), II

Kai-Nah, Cheng ; Held, Dieter

p. 147-167
Modularität und Distributivität im Subidealverband einer Lie-Algebra

Lašhi, Alexander A. ; Zimmermann, Irene A. M.

p. 169-177
A remark on a Harnack inequality for degenerate parabolic equations

Chiarenza, Filippo ; Serapioni, Raul

p. 179-190
Una caratterizzazione reticolare del reticolo dei sottogruppi di un gruppo abeliano contenente due elementi aperiodici indipendenti

Scoppola, Carlo Maria

p. 191-207
The number of conjugacy classes in a finite nilpotent group

Vera Lopez, Antonio

p. 209-216
On translation transversal designs

Biliotti, Mauro ; Micelli, Giuseppe

p. 217-229
On the quadratic optimal control problem for Volterra integro-differential equations

De Acutis, Mimma

p. 231-247
Groups with soluble factor groups and projectivities

Busetto, Giorgio ; Menegazzo, Federico

p. 249-260
Measurable products of modules

O'Neill, John D.

p. 261-269
Condizioni di continuità in una misura approssimante

Stefani, Oscar

p. 271-277