Volume 23 (1982) no. 4

Table of contents

The algebraic theory of moving frames
p. 347-362
Lifting tensorproducts along non-adjoint functors
p. 363-378
Catégories localement triviales. Catégories microtransitives
p. 379-388
Modulo C homotopy
p. 389-396
On the structure of locally finite pure semisimple Grothendieck categories
p. 397-406
Quotients, fractions, symmetrizations
p. 407-424
Quotient systems in Grothendieck topoi
p. 425-438