Volume 25 (1991) no. 3

Table of contents

On a code problem concerning planar acyclic graphs
p. 205-218
Solides non organisés : définition, implantation et plongement
p. 219-246
The topologies of sofic subshifts have computable Pierce invariants
p. 247-254
On a subclass of context-free groups
p. 255-272
Introduction aux polyèdres en combinatoire d'après E. Ehrhart et R. Stanley
p. 273-292
Reducibilities on tally and sparse sets
p. 293-302