@article{PM_2007_2007_1_a4,
     author = {Silva, Jorge Drumond},
     title = {Una mejora en la precisi\'on del teorema de {Egorov.}},
     journal = {Publicacions matem\`atiques},
     pages = {77-120},
     publisher = {mathdoc},
     volume = {51},
     number = {1},
     year = {2007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PM_2007_2007_1_a4/}
}