%0 Journal Article %A I. P. Ivanenko %T On the equilibrium function of the angular distribution of particles in a cascade shower %J Doklady Akademii Nauk %D 1958 %P 367-370 %V 122 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1958_122_3_a11/ %G ru %F DAN_1958_122_3_a11