TY - JOUR AU - B. Piochi TI - Solvability in inverse semigroups. JO - Semigroup forum PY - 1986 SP - 287 EP - 304 VL - 34 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SF_1986__34_134845/ ID - SF_1986__34_134845 ER -