Piochi, B.. "Permutability of normal extensions of a semilattice.." Semigroup forum 43.2 (1991): 151-162. <http://eudml.org/doc/135105>.
@article{Piochi1991, author = {Piochi, B.}, journal = {Semigroup forum}, keywords = {permutation property; inverse semigroup; normal extension; finite semilattice; inverse permutable semigroup; permutability index; semilattice of groups; permutable groups}, number = {2}, pages = {151-162}, title = {Permutability of normal extensions of a semilattice.}, url = {http://eudml.org/doc/135105}, volume = {43}, year = {1991}, }
TY - JOUR AU - Piochi, B. TI - Permutability of normal extensions of a semilattice. JO - Semigroup forum PY - 1991 VL - 43 IS - 2 SP - 151 EP - 162 KW - permutation property; inverse semigroup; normal extension; finite semilattice; inverse permutable semigroup; permutability index; semilattice of groups; permutable groups UR - http://eudml.org/doc/135105 ER -
