@article{ASUO_2001_IX_1_a10,
     author = {I.Purdea and N. Both },
     title = {Indicative propositions},
     journal = {Analele Universit\u{a}\c{t}ii "Ovidius" Constan\c{t}a Seria Matematic\u{a}},
     year = {2001},
     volume = {IX},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/ASUO_2001_IX_1_a10/}
}