%0 Journal Article %A V. D. Radovskii %T The approximation in an integral metric of functions that are defined outside an interval %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1975 %P 105-107 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1975_9_a18/ %G ru %F IVM_1975_9_a18