TY - JOUR AU - Z. Krzeszowiak-Dybiec TI - On differentiable solutions of some systems of functional equations of p-th order JO - Annales Polonici Mathematici PY - 1980 SP - 135 EP - 148 VL - 37 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-37-2-135-148/ DO - 10.4064/ap-37-2-135-148 LA - en ID - 10_4064_ap_37_2_135_148 ER -