@article{1183503903,
author = {MacQueen, M. L.},
title = {Osculating quadrics of ruled surfaces in reciprocal rectilinear congruences},
journal = {Bull. Amer. Math. Soc.},
volume = {47},
number = {11},
year = {1941},
pages = { 788-795},
language = {en},
url = {http://dml.mathdoc.fr/item/1183503903}
}
MacQueen, M. L. Osculating quadrics of ruled surfaces in reciprocal rectilinear congruences. Bull. Amer. Math. Soc., Tome 47 (1941) no. 11, pp. 788-795. http://gdmltest.u-ga.fr/item/1183503903/