TY - JOUR AU - Zsolt Páles TI - On reduction of linear two variable functional equations to differential equations without substitutions. JO - Aequationes mathematicae PY - 1992 SP - 236 EP - 247 VL - 43 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AM2_1992__43_1_137467/ ID - AM2_1992__43_1_137467 ER -