%0 Journal Article
%A Chapman, Adam
%A McKinnie, Kelly
%T Essential Dimension, Symbol Length and $p$-rank
%J Canadian mathematical bulletin
%D 2020
%P 882-890
%V 63
%N 4
%U http://geodesic.mathdoc.fr/articles/10.4153/S0008439520000119/
%R 10.4153/S0008439520000119
%F 10_4153_S0008439520000119