%0 Journal Article %A Yano, Kentaro %A Hiramatu, Hitosi %T On the projective geometry of $K$-spreads %J Compositio Mathematica %D 1952 %P 286-296 %V 10 %I Kraus Reprint %U http://www.numdam.org/item/CM_1952__10__286_0/ %G en %F CM_1952__10__286_0