TY  - JOUR
AU  - NYSTEDT, PATRIK
AU  - ÖINERT, JOHAN
AU  - PINEDO, HÉCTOR
TI  - EPSILON-STRONGLY GROUPOID-GRADED RINGS, THE PICARD INVERSE CATEGORY AND COHOMOLOGY
JO  - Glasgow mathematical journal
PY  - 2020
SP  - 233
EP  - 259
VL  - 62
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.1017/S0017089519000065/
DO  - 10.1017/S0017089519000065
ID  - 10_1017_S0017089519000065
ER  -