%0 Journal Article %A V. Y. Pan %T Root-squaring with DPR1 matrices %J Zapiski Nauchnykh Seminarov POMI %D 2009 %P 189-193 %V 373 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2009_373_a11/ %G en %F ZNSL_2009_373_a11