TY  - RPRT
TI  - Projective Normal Coördinates for the Geometry of Paths.
AU  - O Veblen
AU  - J M Thomas
PY  - 1925
DO  - 10.1073/pnas.11.4.204
UR  - https://pubmed.ncbi.nlm.nih.gov/16576871/
ID  - 16576871
ER  -