%0 Journal Article %A G. D. Gureev %A D. M. Gureev %T The laser and laser-ultrasonic hardening of steel surfaces %J Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences %D 2005 %P 90-94 %N 34 %I mathdoc %U http://geodesic.mathdoc.fr/item/VSGTU_2005_34_a11/ %G ru %F VSGTU_2005_34_a11