@article{SF_1980__21_134448,
     author = {M. Loganathan},
     title = {Complementation and inner automorphism regular semigroups.},
     journal = {Semigroup forum},
     pages = {195--204},
     year = {1980},
     volume = {21},
     zbl = {0456.20049},
     url = {http://geodesic.mathdoc.fr/item/SF_1980__21_134448/}
}