@article{1213798132,
author = {De Poi, Pietro},
title = {On First Order Congruences of Lines in P<sup>4</sup> with Generically Non-reduced Fundamental Surface},
journal = {Asian J. Math.},
volume = {12},
number = {1},
year = {2008},
pages = { 55-64},
language = {en},
url = {http://dml.mathdoc.fr/item/1213798132}
}
De Poi, Pietro. On First Order Congruences of Lines in P4 with Generically Non-reduced Fundamental Surface. Asian J. Math., Tome 12 (2008) no. 1, pp. 55-64. http://gdmltest.u-ga.fr/item/1213798132/