TY - JOUR AU - Frank B. Estabrook TI - Specialized Orthonormal Frames and Embedding JO - Symmetry, integrability and geometry: methods and applications PY - 2013 VL - 9 UR - http://geodesic.mathdoc.fr/item/SIGMA_2013_9_a11/ LA - en ID - SIGMA_2013_9_a11 ER -