%0 Journal Article %A N. N. Metel'skii %A V. S. Krikun %T Placements of isothetic blocks that are optimal with respect to %J Doklady Akademii Nauk %D 1991 %P 320-323 %V 317 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1991_317_2_a15/ %G ru %F DAN_1991_317_2_a15