@article{MZ_1995__218_4_174746, author = {Jih-Hsin Cheng}, title = {Some applications of {Cartain's} theory on three-dimensional {Cauchy-Riemann} geometry.}, journal = {Mathematische Zeitschrift}, pages = {527--548}, publisher = {mathdoc}, volume = {218}, number = {4}, year = {1995}, zbl = {0823.32008}, url = {http://geodesic.mathdoc.fr/item/MZ_1995__218_4_174746/} }