@Article{ MenSan17, author = { Menne, Ulrich and Santilli, Mario }, title = { A geometric second-order-rectifiable stratification for closed subsets of Euclidean space }, journal = { Ann. Sc. Norm. Super. Pisa Cl. Sci. (5) }, year = { 2019 }, doi = { 10.2422/2036-2145.201703_021 }, volume = { 19(3) (2019) }, pages = { }, URL = { http://cvgmt.sns.it/paper/4761/ }, note = { cvgmt preprint} }