TY  - JOUR
AU  - Chrastina, Jan
TI  - On the equivalence of variational problems. III
JO  - Czechoslovak Mathematical Journal
PY  - 1994
SP  - 535
EP  - 560
VL  - 44
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1994.128476/
DO  - 10.21136/CMJ.1994.128476
LA  - en
ID  - 10_21136_CMJ_1994_128476
ER  -