@article{AANLMA_2002_9_13_3-4_a4,
     author = {Michael, Cowling and Filippo, De Mari and Adam, Kor\'anyi and Hans Martin, Reimann},
     title = {Contact and conformal maps on {Iwasawa} {N} groups},
     journal = {Atti della Accademia nazionale dei Lincei. Rendiconti Lincei. Matematica e applicazioni},
     pages = {219--232},
     publisher = {mathdoc},
     volume = {Ser. 9, 13},
     number = {3-4},
     year = {2002},
     language = {it},
     url = {https://geodesic-test.mathdoc.fr/item/AANLMA_2002_9_13_3-4_a4/}
}