%0 Journal Article %A BRAMBILA-PAZ, L. %A MATA-GUTIÉRREZ, O. %T (t, l)-STABILITY AND COHERENT SYSTEMS %J Glasgow mathematical journal %D 2020 %P 661-672 %V 62 %N 3 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089519000405/ %R 10.1017/S0017089519000405 %F 10_1017_S0017089519000405