@article{SMJ2_2004_30_4_a2,
     author = {Galanova, N.},
     title = {Symmetric and {Asymmetric} {Gaps} in {Some} {Fields} of {Formal} {Power} {Series}},
     journal = {Serdica Mathematical Journal},
     pages = {495--504},
     publisher = {mathdoc},
     volume = {30},
     number = {4},
     year = {2004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SMJ2_2004_30_4_a2/}
}