%0 Journal Article %A È. R. Tsekanovskii %T On description of invariant subspaces and of the unicellular operator of integration in~$W_2^{(p)}$ %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1965 %V 20 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1965_20_6_a33/ %G ru %F RM_1965_20_6_a33