%0 Journal Article %A D. G. Martirosyan %T The~effective area of~boundary conditions in~the~model of~classical Ising ferromagnetism %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1979 %P 239-240 %V 34 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1979_34_5_a6/ %G en %F RM_1979_34_5_a6