%0 Journal Article %A H. W. Diehl %A S. B. Rutkevich %T The three-dimensional $O(n)$ $\phi^4$ model on a strip with free boundary conditions: Exact results for a nontrivial dimensional crossover in the limit $n\to\infty$ %J Teoretičeskaâ i matematičeskaâ fizika %D 2017 %P 325-343 %V 190 %N 2 %U http://geodesic.mathdoc.fr/item/TMF_2017_190_2_a8/ %G ru %F TMF_2017_190_2_a8