%0 Journal Article %A V. V. Ovsyankin %A P. P. Feofilov %T Cooperative sensibilization of luminescence in silver halide salts and spectral sensibilization of photographic emulsions %J Doklady Akademii Nauk %D 1967 %P 787-790 %V 174 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1967_174_4_a13/ %G ru %F DAN_1967_174_4_a13