%0 Journal Article %A JARDEN, MOSHE %A RAZON, AHARON %T PRIMITIVE RECURSIVE DECIDABILITY FOR THE RING OF INTEGERS OF THE COMPOSITUM OF ALL SYMMETRIC EXTENSIONS OF Q %J Glasgow mathematical journal %D 2021 %P 291-296 %V 63 %N 2 %U http://geodesic.mathdoc.fr/articles/10.1017/S001708952000018X/ %R 10.1017/S001708952000018X %F 10_1017_S001708952000018X