@article{SF_1986__34_134829,
     author = {H.J. Hoehnke},
     title = {Skew-monoidal structures on simple rings with several objects.},
     journal = {Semigroup forum},
     pages = {69--88},
     publisher = {mathdoc},
     volume = {34},
     year = {1986},
     zbl = {0611.18005},
     url = {http://geodesic.mathdoc.fr/item/SF_1986__34_134829/}
}