TY - JOUR T1 - The tree representation of ∑n + 1 JO - Journal of Pure and Applied Algebra PY - 1996/08/26 AU - Robinson A AU - Whitehouse S ED - DO - DOI: 10.1016/0022-4049(95)00116-6 PB - Elsevier BV VL - 111 IS - 1-3 SP - 245 EP - 253 Y2 - 2024/12/22 ER -