@article{10_4064_sm_45_1_1_14,
     author = {William Robinson},
     title = {Extensions of basic sequences in {Fr\'echet} spaces},
     journal = {Studia Mathematica},
     pages = {1--14},
     publisher = {mathdoc},
     volume = {45},
     number = {1},
     year = {1973},
     doi = {10.4064/sm-45-1-1-14},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-45-1-1-14/}
}