%0 Journal Article %A ULAS, MACIEJ %T RATIONAL POINTS ON CERTAIN DEL PEZZO SURFACES OF DEGREE ONE %J Glasgow mathematical journal %D 2008 %P 557-564 %V 50 %N 3 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089508004412/ %R 10.1017/S0017089508004412 %F 10_1017_S0017089508004412