TY - JOUR AU - Gardiner, Stephen J. TI - Superharmonic extension and harmonic approximation JO - Annales de l'Institut Fourier PY - 1994 SP - 65 EP - 91 VL - 44 IS - 1 PB - Institut Fourier PP - Grenoble UR - http://www.numdam.org/articles/10.5802/aif.1389/ DO - 10.5802/aif.1389 LA - en ID - AIF_1994__44_1_65_0 ER -