@article{10_1017_S0017089500001701,
     author = {Petrich, Mario},
     title = {Regular semigroups which are subdirect products of a band and a semilattice of groups},
     journal = {Glasgow mathematical journal},
     pages = {27--49},
     year = {1973},
     volume = {14},
     number = {1},
     doi = {10.1017/S0017089500001701},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500001701/}
}