@article{2882,
author = {Cheng, Sui-Sun},
title = {Sturmian theorems for components of coupled elliptic systems},
journal = {Portugaliae mathematica},
volume = {38},
year = {1979},
pages = {113-117},
zbl = {0517.35006},
mrnumber = {0682359},
language = {en},
url = {http://dml.mathdoc.fr/item/2882}
}
Cheng, Sui-Sun. Sturmian theorems for components of coupled elliptic systems. Portugaliae mathematica, Tome 38 (1979) pp. 113-117. http://gdmltest.u-ga.fr/item/2882/