TY - JOUR AU - A.H. Clifford TI - The structure of bisimple orthodox semigroups as ordered pairs. JO - Semigroup forum PY - 1972 SP - 127 EP - 136 VL - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SF_1972__5_133929/ ID - SF_1972__5_133929 ER -