@article{SF_1974__9_134083,
     author = {C.F. Fennemore},
     title = {A subdirectly irreducible band accepting a = a.},
     journal = {Semigroup forum},
     pages = {271--274},
     publisher = {mathdoc},
     volume = {9},
     year = {1974},
     zbl = {0292.20060},
     url = {http://geodesic.mathdoc.fr/item/SF_1974__9_134083/}
}