TY - JOUR AU - M.A. McKiernan TI - The matrix equation a(x...y) = a(x)+a(x)a(y)+a(y). (Short Communication). JO - Aequationes mathematicae PY - 1976 SP - 514 EP - 515 VL - 14 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AM2_1976__14_136623/ ID - AM2_1976__14_136623 ER -