%0 Journal Article %A A. A. Akimov %A E. V. Vorob'eva %A V. V. Ivakhnik %T The point spread function of a~four-wave converter in a~resonant medium with allowance for pump wave divergence %J Vestnik Samarskogo universiteta. Estestvennonaučnaâ seriâ %D 2011 %P 141-147 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/VSGU_2011_2_a13/ %G ru %F VSGU_2011_2_a13