TY  - JOUR
AU  - Teodor Oprea
TI  - Chen's inequality in the Lagrangian case
JO  - Colloquium Mathematicum
PY  - 2007
SP  - 163
EP  - 169
VL  - 108
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm108-1-15/
DO  - 10.4064/cm108-1-15
LA  - en
ID  - 10_4064_cm108_1_15
ER  -