%0 Journal Article %A P. M. Lavrov %A V. I. Mudruk %T Statistics of a~polymer chain in the presence of random topological constraints %J Teoretičeskaâ i matematičeskaâ fizika %D 1991 %P 344-352 %V 86 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1991_86_3_a3/ %G ru %F TMF_1991_86_3_a3