%0 Journal Article %A A. S. Demidov %A A. S. Kochurov %A A. Yu. Popov %T To the problem of the recovery of nonlinearities in equations of mathematical physics %J Trudy Seminara im. I.G. Petrovskogo %D 2009 %P 74-123 %V 27 %N 27 %I mathdoc %U http://geodesic.mathdoc.fr/item/TSP_2009_27_27_a2/ %G ru %F TSP_2009_27_27_a2