%0 Journal Article %A E. L. Saldin %T Photon colliding beams in a storage ring as an intense source of polarized positrons %J Doklady Akademii Nauk %D 1979 %P 570-573 %V 244 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1979_244_3_a12/ %G ru %F DAN_1979_244_3_a12