@article{JRAM_1977__291_151855,
     author = {James A. Jenkins and Kotaro Oikawa},
     title = {Conformality and semi-conformatilty at the boundary.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {92--117},
     publisher = {mathdoc},
     volume = {291},
     year = {1977},
     zbl = {0339.30024},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1977__291_151855/}
}