%0 Journal Article %A V. V. Goldberg %T $L$-nets and $L$-sequences in $N$-dimensional projective space %J Doklady Akademii Nauk %D 1960 %P 757-760 %V 134 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1960_134_4_a3/ %G ru %F DAN_1960_134_4_a3