%0 Journal Article %A F. G. Bulaevskaya %T Constant traces and the moduli of smoothness of the traces of functions of several variables on hyperplanes of different dimensions %J Differencialʹnye uravneniâ %D 1973 %P 487-493 %V 9 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1973_9_3_a10/ %G ru %F DE_1973_9_3_a10