TY - JOUR AU - Karol Baron AU - Witold Jarczyk TI - On approximate solutions of functional equations of countable order. JO - Aequationes mathematicae PY - 1985 SP - 22 EP - 34 VL - 28 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AM2_1985__28_137036/ ID - AM2_1985__28_137036 ER -