TY - JOUR AU - PARSONS, MARK JAMES TI - EXPLICIT CONSTRUCTION OF COMPANION BASES JO - Glasgow mathematical journal PY - 2016 SP - 357 EP - 384 VL - 58 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0017089515000233/ DO - 10.1017/S0017089515000233 ID - 10_1017_S0017089515000233 ER -