TY - JOUR AU - Krzysztof Grelowski TI - Extending Hardy fields by non-${\cal C}^{\infty}$-germs JO - Annales Polonici Mathematici PY - 2008 SP - 281 EP - 297 VL - 93 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap93-3-8/ DO - 10.4064/ap93-3-8 LA - en ID - 10_4064_ap93_3_8 ER -