%0 Journal Article %A Abdel-Baky, Rashad A. %A Al-Bokhary, Ashwaq J. %T A new approach for describing instantaneous line congruence %J Archivum mathematicum %D 2008 %P 223-236 %V 44 %N 3 %U http://geodesic.mathdoc.fr/item/ARM_2008_44_3_a6/ %G en %F ARM_2008_44_3_a6