TY  - JOUR
AU  - Cheng, Sui-Sun
TI  - Sturmian theorems for components of coupled elliptic systems
JO  - Portugaliae mathematica
PY  - 1979
SP  - 113
EP  - 117
VL  - 38
IS  - 1-2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/PORMA_1979__38_1-2_115372/
LA  - en
ID  - PORMA_1979__38_1-2_115372
ER  -