@article{SF_1985__32_134772,
     author = {F. Pastijn},
     title = {The cofinality of a band.},
     journal = {Semigroup forum},
     pages = {125--126},
     publisher = {mathdoc},
     volume = {32},
     year = {1985},
     zbl = {0564.20038},
     url = {http://geodesic.mathdoc.fr/item/SF_1985__32_134772/}
}