%0 Journal Article %A Chernikov, P.V. %T On two questions of the theory of retracts. %J Sibirskij Matematicheskij Zhurnal %D 2007 %P 236 %V 48 %N 1 %I mathdoc %U https://geodesic-test.mathdoc.fr/item/SMZ_2007__48_1_55726/ %G en %F SMZ_2007__48_1_55726