@article{1183494160,
author = {Wong, B. C.},
title = {On certain ruled hypersurfaces of order $K-1$ in $r$-space},
journal = {Bull. Amer. Math. Soc.},
volume = {36},
number = {11},
year = {1930},
pages = { 533-535},
language = {en},
url = {http://dml.mathdoc.fr/item/1183494160}
}
Wong, B. C. On certain ruled hypersurfaces of order $K-1$ in $r$-space. Bull. Amer. Math. Soc., Tome 36 (1930) no. 11, pp. 533-535. http://gdmltest.u-ga.fr/item/1183494160/