%0 Journal Article %A Kärkkäinen, Tommi %T Error estimates for distributed parameter identification in parabolic problems with output least squares and Crank-Nicolson method %J Applications of Mathematics %D 1997 %P 259-277 %V 42 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1023/A:1023012328209/ %R 10.1023/A:1023012328209 %G en %F 10_1023_A_1023012328209