@article{SF_1985__31_134758,
     author = {M.K. Sen},
     title = {On *-pseudo ideal of a semigroup with involution.},
     journal = {Semigroup forum},
     pages = {353--360},
     publisher = {mathdoc},
     volume = {31},
     year = {1985},
     zbl = {0565.20045},
     url = {http://geodesic.mathdoc.fr/item/SF_1985__31_134758/}
}