%0 Journal Article %A Pink, Richard %T Classification of pro-$p$ subgroups of $\mathrm {SL}_2$ over a $p$-adic ring, where $p$ is an odd prime %J Compositio Mathematica %D 1993 %P 251-264 %V 88 %N 3 %I Kluwer Academic Publishers %U http://www.numdam.org/item/CM_1993__88_3_251_0/ %G en %F CM_1993__88_3_251_0