@article{MAN_1980__251_163434,
     author = {Eric Bedford},
     title = {Envelopes of {Continuous,} {Plurisubharmonic} {Functions.}},
     journal = {Mathematische Annalen},
     pages = {175--184},
     publisher = {mathdoc},
     volume = {251},
     year = {1980},
     zbl = {0421.31008},
     url = {http://geodesic.mathdoc.fr/item/MAN_1980__251_163434/}
}