%0 Journal Article %A N. S. Mel'nikova %T On a~point explosion in a~medium with variable initial density %J Informatics and Automation %D 1966 %P 66-85 %V 87 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1966_87_a3/ %G ru %F TRSPY_1966_87_a3