TY - JOUR AU - Darlayne Addabbo AU - Maarten Bergvelt TI - $\tau$-Functions, Birkhoff Factorizations and Difference Equations JO - Symmetry, integrability and geometry: methods and applications PY - 2019 VL - 15 UR - http://geodesic.mathdoc.fr/item/SIGMA_2019_15_a22/ LA - en ID - SIGMA_2019_15_a22 ER -