@article{1206136783,
author = {Nasu, Toshio},
title = {On conformal invariants of higher order},
journal = {Hiroshima Math. J.},
volume = {5},
number = {3},
year = {1975},
pages = { 43-60},
language = {en},
url = {http://dml.mathdoc.fr/item/1206136783}
}
Nasu, Toshio. On conformal invariants of higher order. Hiroshima Math. J., Tome 5 (1975) no. 3, pp. 43-60. http://gdmltest.u-ga.fr/item/1206136783/