%0 Journal Article %A G. I. Marchuk %T On some approaches to the construction of adjoint operators in nonlinear problems %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1994 %P 126-134 %V 203 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_1994_203_a12/ %G ru %F TM_1994_203_a12