TY - JOUR AU - Evelyn Nelson TI - Not every equational class of infinitary algebras contains a simple algebra JO - Colloquium Mathematicum PY - 1974 SP - 27 EP - 30 VL - 30 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-30-1-27-30/ DO - 10.4064/cm-30-1-27-30 LA - en ID - 10_4064_cm_30_1_27_30 ER -