%0 Journal Article %A Layton, William J. %T An energy analysis of degenerate hyperbolic partial differential equations. %J Applications of Mathematics %D 1984 %P 350-366 %V 29 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/AM.1984.104105/ %R 10.21136/AM.1984.104105 %G en %F 10_21136_AM_1984_104105