@article{MABA_1998_12_1-2_a9,
     author = {V. Kostova},
     title = {On a {Generalization} of {Jackson's} {Theorem} in {Rm}},
     journal = {Mathematica balkanica},
     pages = {109},
     publisher = {mathdoc},
     volume = {12},
     number = {1-2},
     year = {1998},
     url = {http://geodesic.mathdoc.fr/item/MABA_1998_12_1-2_a9/}
}