%0 Journal Article %A N. P. Dolbilin %A M. A. Shtan'ko %A M. I. Shtogrin %T Nonbendability of the covering of a sphere by squares %J Doklady Akademii Nauk %D 1997 %P 443-445 %V 354 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1997_354_4_a1/ %G ru %F DAN_1997_354_4_a1