TY - JOUR AU - COUTINHO, S. C. TI - QUADRATIC OPERATORS DONOT GENERATE MAXIMAL LEFT IDEALS OF THE WEYL ALGEBRA JO - Glasgow mathematical journal PY - 2000 SP - 297 EP - 298 VL - 42 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0017089500020176/ DO - 10.1017/S0017089500020176 ID - 10_1017_S0017089500020176 ER -