@article{SF_1974__7_134019,
     author = {Haskell Cohen},
     title = {Compact connected semilattices without the fixed point property.},
     journal = {Semigroup forum},
     pages = {375--379},
     publisher = {mathdoc},
     volume = {7},
     year = {1974},
     zbl = {0275.54035},
     url = {http://geodesic.mathdoc.fr/item/SF_1974__7_134019/}
}