@article{MM2_1993__79_1_155827,
     author = {Yaotian Shen and Shusen Yan},
     title = {Constant {Boundary} value problem for a quasilinear elliptic system.},
     journal = {Manuscripta mathematica},
     pages = {99--112},
     publisher = {mathdoc},
     volume = {79},
     number = {1},
     year = {1993},
     zbl = {0787.35034},
     url = {http://geodesic.mathdoc.fr/item/MM2_1993__79_1_155827/}
}