%0 Journal Article %A Thomas A. Ivey %A Spiro Karigiannis %T A Classification of Twisted Austere $3$-Folds %J Symmetry, integrability and geometry: methods and applications %D 2021 %V 17 %U http://geodesic.mathdoc.fr/item/SIGMA_2021_17_a22/ %G en %F SIGMA_2021_17_a22