TY  - JOUR
TI  - BCM volume 64 issue 3 Cover and Front matter
JO  - Canadian mathematical bulletin
PY  - 2021
SP  - f1
EP  - f2
VL  - 64
IS  - 3
UR  - http://geodesic.mathdoc.fr/articles/10.4153/S0008439521000795/
DO  - 10.4153/S0008439521000795
ID  - 10_4153_S0008439521000795
ER  -