%0 Journal Article %A DeszyƄski, Krzysztof %T A theorem on polynomial lorentz structures %J Glasgow mathematical journal %D 1986 %P 229-235 %V 28 %N 2 %U http://geodesic.mathdoc.fr/articles/10.1017/S001708950000656X/ %R 10.1017/S001708950000656X %F 10_1017_S001708950000656X