%0 Journal Article %A È. I. Adirovich %A V. M. Fridkin %T Mutual substitution law and the quasistationary state of electronic processes in photoelectrets %J Doklady Akademii Nauk %D 1961 %P 820-823 %V 138 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1961_138_4_a21/ %G ru %F DAN_1961_138_4_a21