TY  - JOUR
AU  - Sarah B. Lobb
AU  - Frank W. Nijhoff
TI  - A Variational Principle for Discrete Integrable Systems
JO  - Symmetry, integrability and geometry: methods and applications
PY  - 2018
VL  - 14
UR  - http://geodesic.mathdoc.fr/item/SIGMA_2018_14_a40/
LA  - en
ID  - SIGMA_2018_14_a40
ER  -