%0 Journal Article %A R. V. Ambartzumian %T On the solution of the Buffon--Sylvester problem in $R^3$ %J Doklady Akademii Nauk %D 1973 %P 1257-1260 %V 210 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1973_210_6_a0/ %G ru %F DAN_1973_210_6_a0