@article{TSG_2000-2001__19__41_0,
     author = {Hiroyuki Kamada and Shin Nayatani},
     title = {Quaternionic analogue of {CR} geometry},
     journal = {S\'eminaire de th\'eorie spectrale et g\'eom\'etrie},
     pages = {41--52},
     publisher = {Institut Fourier},
     address = {Grenoble},
     volume = {19},
     year = {2000-2001},
     doi = {10.5802/tsg.317},
     zbl = {1044.53032},
     mrnumber = {1909075},
     language = {en},
     url = {https://proceedings.centre-mersenne.org/articles/10.5802/tsg.317/}
}