@article{SF_1983__27_134627,
     author = {K.S.S. Nambooripad and R. Veeramony},
     title = {Subdirect products of regular seimgroups.},
     journal = {Semigroup forum},
     pages = {265--308},
     year = {1983},
     volume = {27},
     zbl = {0517.20038},
     url = {http://geodesic.mathdoc.fr/item/SF_1983__27_134627/}
}