@article{SF_1986__33_134813,
     author = {H. J\"urgensen},
     title = {Report about the conference on semigroups, held at {Oberwolfach,} 1986.},
     journal = {Semigroup forum},
     pages = {279--283},
     publisher = {mathdoc},
     volume = {33},
     year = {1986},
     url = {http://geodesic.mathdoc.fr/item/SF_1986__33_134813/}
}