TY  - JOUR
AU  - Magid, Andy R.
TI  - Ultrafunctor
JO  - Canadian journal of mathematics
PY  - 1975
SP  - 372
EP  - 375
VL  - 27
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1975-045-9/
DO  - 10.4153/CJM-1975-045-9
ID  - 10_4153_CJM_1975_045_9
ER  -