@article{10_4064_sm_40_1_77_79,
     author = {Ed Dubinsky},
     title = {Every separable {Fr\'echet} space contains a non stable dense subspace},
     journal = {Studia Mathematica},
     pages = {77--79},
     publisher = {mathdoc},
     volume = {40},
     number = {1},
     year = {1971},
     doi = {10.4064/sm-40-1-77-79},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-40-1-77-79/}
}