%0 Journal Article %A A. A. Kalinkin %A Yu. M. Laevsky %T On extrapolation with respect to a~parameter in the perturbed mixed variational problem %J Sibirskij žurnal vyčislitelʹnoj matematiki %D 2005 %P 307-323 %V 8 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/SJVM_2005_8_4_a4/ %G ru %F SJVM_2005_8_4_a4