%0 Journal Article %A A. N. Konovalov %T The method of fractional steps for solving the Cauchy problem for a multi-dimensional wave equation %J Doklady Akademii Nauk %D 1962 %P 25-27 %V 147 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1962_147_1_a4/ %G ru %F DAN_1962_147_1_a4