%0 Journal Article %A I. A. Ibragimov %A R. Z. Khas'minskii %T Estimation problems for coefficients of stochastic partial differential equations. Part~III %J Teoriâ veroâtnostej i ee primeneniâ %D 2000 %P 209-235 %V 45 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TVP_2000_45_2_a0/ %G ru %F TVP_2000_45_2_a0