TY  - JOUR
AU  - Teodor Atanacković
AU  - Branislav Bačlić
TI  - An extremal variational principle for a class of boundary value problems
JO  - Theoretical and applied mechanics
PY  - 1982
SP  - 13 
VL  - 8
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TAM_1982_8_1_a1/
LA  - en
ID  - TAM_1982_8_1_a1
ER  -