TY - JOUR AU - FAN, MING TI - K-ENVELOPES FOR REAL INTERPOLATION METHODS JO - Glasgow mathematical journal PY - 2013 SP - 293 EP - 307 VL - 55 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0017089512000523/ DO - 10.1017/S0017089512000523 ID - 10_1017_S0017089512000523 ER -