%0 Journal Article %A Yu. V. Muranov %A D. Repovš %T Spherical fibrations and $L$-groups %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1999 %P 445-447 %V 54 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1999_54_2_a11/ %G en %F RM_1999_54_2_a11