%0 Journal Article %A K. R. Karimullin %A Yu. G. Vainer %A I. Yu. Eremchev %A V. V. Samartsev %T Ultrafast Optical Dephasing in Doped Polymethylmetacrylate: Research by Means of Incoherent Photon Echo with Femtosecond Temporal Resolution. %J Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki %D 2008 %P 148-159 %V 150 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZKU_2008_150_2_a20/ %G ru %F UZKU_2008_150_2_a20