TY  - JOUR
AU  - John David Logan
TI  - Fist Integrals in the Discrete Variational Calculus. (Short Communications).
JO  - Aequationes mathematicae
PY  - 1972
SP  - 199
EP  - 200
VL  - 8
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AM2_1972__8_136288/
ID  - AM2_1972__8_136288
ER  -