%0 Journal Article %A È. H. Boos %A Zh. S. Takibaev %A R. A. Tursunov %T An investigation of the diffraction generation of $\pi$-mesons by 20 Gev protons %J Doklady Akademii Nauk %D 1966 %P 1041-1043 %V 170 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1966_170_5_a13/ %G ru %F DAN_1966_170_5_a13