@article{AA_2002_14_4_a3,
     author = {N. Kehayopulu and I. S. Ponizovskii},
     title = {On weakly simple ideals of partially ordered semigroups},
     journal = {Algebra i analiz},
     pages = {54--62},
     publisher = {mathdoc},
     volume = {14},
     number = {4},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_2002_14_4_a3/}
}