@article{MOMA_1971__75_177554,
     author = {J.T. Marti},
     title = {A {Note} on {Equivalent} {Extended} {Bases.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {250--255},
     publisher = {mathdoc},
     volume = {75},
     year = {1971},
     zbl = {0218.46012},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1971__75_177554/}
}