TY  - JOUR
AU  - Chapman, Adam
AU  - McKinnie, Kelly
TI  - Essential Dimension, Symbol Length and $p$-rank
JO  - Canadian mathematical bulletin
PY  - 2020
SP  - 882
EP  - 890
VL  - 63
IS  - 4
UR  - http://geodesic.mathdoc.fr/articles/10.4153/S0008439520000119/
DO  - 10.4153/S0008439520000119
ID  - 10_4153_S0008439520000119
ER  -