TY  - JOUR
AU  - S.P. LIPSHITZ
TI  - A Solution of the 'Converse Canonical Problem' for Multiple Integrals in the Calculus of Variations
JO  - Aequationes mathematicae
PY  - 1971
SP  - 288
EP  - 305
VL  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AM2_1971__6_136203/
ID  - AM2_1971__6_136203
ER  -