@article{MAN_1973__202_162418,
     author = {Manuel Valdivia},
     title = {On a {Class} of {Quasi-barrelled} {Spaces.}},
     journal = {Mathematische Annalen},
     pages = {295--300},
     publisher = {mathdoc},
     volume = {202},
     year = {1973},
     zbl = {0236.46003},
     url = {http://geodesic.mathdoc.fr/item/MAN_1973__202_162418/}
}