%0 Journal Article %A I. A. Ibragimov %A R. Z. Khas'minskii %T Estimation problems for coefficients of stochastic partial differential equations. Part~II %J Teoriâ veroâtnostej i ee primeneniâ %D 1999 %P 526-554 %V 44 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TVP_1999_44_3_a2/ %G ru %F TVP_1999_44_3_a2