TY  - JOUR
AU  - Chrastina, Jan
TI  - Another approach to the classical calculus of variations. I
JO  - Archivum mathematicum
PY  - 1982
SP  - 205
EP  - 218
VL  - 18
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ARM_1982__18_4_a6/
LA  - en
ID  - ARM_1982__18_4_a6
ER  -